Gusset Envelopes
Here you can find our huge range of high quality gusset envelopes. These envelopes will take a larger amount of paper compared to a standard envelope. We have a range of envelope sizes including the common C4 gusset and C5 options. Generally gusset envelopes with a window and without have the same closure type (peel and seal) which gives a longer shelf life.
There are a few different closure options available which include peel and seal, gummed as well as self seal envelopes. We also have a variety of colours and strengths. Gusset envelopes also have the added option of how wide you would like them to expand. Generally this is around 25mm however there are options of up to 50mm. A popular option is the New Guardian heavyweight Envelopes peel and seal. These are made using 130gsm manilla paper making them stronger and able to withstand the postal process.
If you cannot find the Gusset Envelopes you are looking for or have any questions regarding any of our products then why not call our friendly UK team, they are always happy to answer any questions or help you in your search.
Our top sellers in Gusset Envelopes
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Best Seller
59% off
rrp £35.76
rrp £42.91
ValueX Everyday Envelopes C4 Manilla Pocket Plain Peel and Seal 25mm G ...
£14.77 £17.72 -
Best Seller
62% off
rrp £42.48
rrp £50.98
ValueX Everyday Envelopes C4 White Pocket Plain Peel and Seal 25mm Gus ...
£15.97 £19.16 -
Best Seller
62% off
rrp £43.76
rrp £52.51
ValueX Everyday Envelopes C4 White Pocket Window Peel and Seal 25mm Gu ...
£16.66 £19.99 -
Best Seller
60% off
rrp £48.04
rrp £57.65
Blake Everyday Envelopes C5 White Pocket Plain Peel and Seal 25mm Guss ...
£19.28 £23.14 -
Best Seller
60% off
rrp £50.48
rrp £60.58
Blake Everyday Envelopes C5 Manilla Pocket Plain Peel and Seal 25mm Gu ...
£20.34 £24.41
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New Guardian C4 Envelopes Gusset PeelSeal Manilla (Pack of 25) F27666 JDF27666
Ideal for mailing bulky items such as catalogues, reports, brochures and more, these ...
SAVE 58% off RRP
Only £21.85 inc VAT£18.21 exc VAT
Product Code: JDF27666
Stock: 15
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New Guardian C4 Envelopes Gusset 130gsm Manilla (Pack of 100) E27266 JDE27266
Ideal for mailing bulky items such as catalogues, reports, brochures and more, these ...
SAVE 62% off RRP
Only £69.16 inc VAT£57.63 exc VAT
Product Code: JDE27266
Stock: 217
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Q-Connect Padded Gusset Envelopes C5 229x162x50mm Peel and Seal White (100 Pack) KF3530 KF3530
100% recycled and recyclable, these environmentally friendly Q-Connect padded envelop...
SAVE 78% off RRP
Only £57.52 inc VAT£47.93 exc VAT
Product Code: KF3530
Stock: 16
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Plus Fabric Gusset C4 Envelopes Peel and Seal 120gsm White (Pack of 100) C26766 JDC26766
Ideal for mailing bulky items such as catalogues, reports, brochures and more, these ...
SAVE 61% off RRP
Only £90.58 inc VAT£75.48 exc VAT
Product Code: JDC26766
Stock: 51
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Plus Fabric Gusset C4 Envelopes Window Peel and Seal 120gsm White (Pack of 100) C27566 JDC27566
Ideal for mailing bulky items such as catalogues, reports, brochures and more, these ...
SAVE 58% off RRP
Only £105.58 inc VAT£87.98 exc VAT
Product Code: JDC27566
Stock: 43
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New Guardian Armour C4 Envelopes Gusset Manilla (Pack of 100) A28113 JDA28113
These New Guardian Armour gusset envelopes are made from durable, heavyweight 130gsm ...
SAVE 58% off RRP
Only £127.01 inc VAT£105.84 exc VAT
Product Code: JDA28113
Stock: 3
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ValueX Everyday Envelopes C4 Manilla Pocket Plain Peel and Seal 25mm Gusset 130gsm 324x229mm (Pack 1...
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 58% off RRP
Only £17.72 inc VAT£14.77 exc VAT
Product Code: EXR40226BL
Stock: 220
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ValueX Everyday Envelopes C4 White Pocket Plain Peel and Seal 25mm Gusset 140gsm 324x229mm (Pack 125...
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 62% off RRP
Only £19.16 inc VAT£15.97 exc VAT
Product Code: EXR40212BL
Stock: 508
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ValueX Everyday Envelopes C4 White Pocket Window Peel and Seal 25mm Gusset 140gsm 324x229mm (Pack 12...
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 61% off RRP
Only £19.99 inc VAT£16.66 exc VAT
Product Code: EXR40219BL
Stock: 530
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New Guardian Envelopes Mini Pack Peel & Seal Gusset 130gsm C4 324x229x25mm Manilla F27666 [Pack ...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 40% off RRP
Only £20.26 inc VAT£16.88 exc VAT
Product Code: 4039554
In stock
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Blake Everyday Envelopes C5 White Pocket Plain Peel and Seal 25mm Gusset 120gsm 229x162mm (Pack 125)...
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 59% off RRP
Only £23.14 inc VAT£19.28 exc VAT
Product Code: EXR35582BL
Stock: 42
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Blake Everyday Envelopes C5 Manilla Pocket Plain Peel and Seal 25mm Gusset 120gsm 229x162mm (Pack 12...
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 59% off RRP
Only £24.41 inc VAT£20.34 exc VAT
Product Code: EXR35575BL
Stock: 51
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Blake Everyday Envelopes C4 Manilla Pocket Window Peel and Seal 25mm Gusset 130gsm 324x229mm (Pack 1...
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 50% off RRP
Only £27.77 inc VAT£23.14 exc VAT
Product Code: EXR48399BL
Stock: 53
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Blake Everyday Envelopes Manilla Pocket Peel and Seal 25mm Gusset 140gsm 381x254mm (Pack 125) - 1110...
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 53% off RRP
Only £38.22 inc VAT£31.85 exc VAT
Product Code: EXR48455BL
Stock: 134
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Tyvek Gusseted Envelopes Extra Capacity Strong B4A H330xW250xD38mm 55gsm P&S White 67181 [Pack 20] 3...
Thinking about using a box or padded envelope? Why not use a lightweight yet robust T...
SAVE 56% off RRP
Only £41.00 inc VAT£34.17 exc VAT
Product Code: 397009
In stock
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Blake Packaging Manilla Peel & Seal Gusset Pocket 229x162mm 120gsm Pack 125 Code 5000 5000
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 21% off RRP
Only £41.45 inc VAT£34.54 exc VAT
Product Code: BLAKE5000
Stock: 165
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Blake Packaging Manilla Peel & Seal Gusset Pocket 324x229mm 130gsm Pack 125 Code 1991 1991
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 23% off RRP
Only £44.28 inc VAT£36.90 exc VAT
Product Code: BLAKE1991
Stock: 648
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Blake Packaging Envelopes C5 White Pocket Peel and Seal Padded Eco Cushion 50mm Gusset 140gsm 229x16...
The most environmentally friendly padded envelope on the market and the only padded m...
SAVE 54% off RRP
Only £45.48 inc VAT£37.90 exc VAT
Product Code: EXR40765BL
Stock: 14
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Blake Packaging White Peel & Seal Gusset Pocket 229x162mm 120gsm Pack 125 Code 6000 6000
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 24% off RRP
Only £45.50 inc VAT£37.92 exc VAT
Product Code: BLAKE6000
Stock: 229
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New Guardian Envelopes FSC Hvyweight Peel & Seal Gusset 130gsm 241x165x25mm Manilla L27306 [Pack...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 40% off RRP
Only £47.93 inc VAT£39.94 exc VAT
Product Code: 315347
In stock
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eGreen Packaging By Bong Ecommerce Mailing Envelopes C5 Manilla Double Peel and Seal 40mm Gusset 110...
e-Green Mailing Envelopes the smarter paper mailer for ecommerce. e-green is the pac...
SAVE 67% off RRP
Only £48.56 inc VAT£40.47 exc VAT
Product Code: EXR59331BG
Stock: 7
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Blake Packaging White Window Peel & Seal Gusset Pocket 229x162mm 120gsm Pack 125 Code 6001 6001
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 25% off RRP
Only £48.65 inc VAT£40.54 exc VAT
Product Code: BLAKE6001
Stock: 127
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Blake Packaging White Peel & Seal Gusset Pocket 324x229mm 140gsm Pack 125 Code 9000 9000
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 25% off RRP
Only £48.73 inc VAT£40.61 exc VAT
Product Code: BLAKE9000
Stock: 691
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Blake Packaging White Window Peel & Seal Gusset Pocket 324x229mm 140gsm Pack 125 Code 9001 9001
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 26% off RRP
Only £50.04 inc VAT£41.70 exc VAT
Product Code: BLAKE9001
Stock: 539
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Blake Packaging Manilla Peel & Seal Gusset Pocket 254x178mm 120gsm Pack 125 Code 4810 4810
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 26% off RRP
Only £50.52 inc VAT£42.10 exc VAT
Product Code: BLAKE4810
Stock: 73
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Blake Premium Office Envelopes C4 Ultra White Wove Pocket Plain Peel and Seal 25mm Gusset 140gsm 324...
The range that performs in all corporate environments; working with laser, digital an...
SAVE 55% off RRP
Only £51.60 inc VAT£43.00 exc VAT
Product Code: EXR40366BL
Stock: 12
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Blake Packaging Manilla Window Peel & Seal Gusset Pocket 324x229mm 130gsm Pack 125 Code 1992MW 1
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 27% off RRP
Only £53.44 inc VAT£44.53 exc VAT
Product Code: BLAKE1992MW
Stock: 125
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New Guardian Pocket Gusset Envelope C4 Peel and Seal Plain Power-Tac 25mm Gusset 130gsm Manilla (Pac...
Send bulky items with confidence in these high quality manilla gusset envelopes which...
SAVE 55% off RRP
Only £53.64 inc VAT£44.70 exc VAT
Product Code: EXR58717BG
Stock: 43
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Blake Everyday Envelopes Manilla Pocket Peel and Seal 25mm Gusset 140gsm 406x305mm (Pack 125) - 3330...
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 51% off RRP
Only £54.66 inc VAT£45.55 exc VAT
Product Code: EXR48462BL
Stock: 30
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Blake Avant Garde Cream Manilla Peel & Seal Gusset Pocket 229x162mm 130gsm Pack 125 Code AG0025 ...
Cream Manilla premium gusset envelope available in a C5 Peel & seal pocket. Suitable ...
SAVE 28% off RRP
Only £56.20 inc VAT£46.83 exc VAT
Product Code: BLAKEAG0025
Stock: 140
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Blake Premium Office Ultra White Wove Window Peel & Seal Gusset Pocket 229x162mm 120gsm Pack 125...
The range that performs in all corporate environments; working with laser, digital an...
SAVE 29% off RRP
Only £58.30 inc VAT£48.58 exc VAT
Product Code: BLAKE35216
Stock: 12
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Blake Packaging White Peel & Seal Gusset Pocket 178x254mm 120gsm Pack 125 Code 7000 7000
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 29% off RRP
Only £59.52 inc VAT£49.60 exc VAT
Product Code: BLAKE7000
Stock: 201
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New Guardian Pocket Gusset Envelope C4 Peel and Seal Window Power-Tac 25mm Gusset 130gsm Manilla (Pa...
Send bulky items with confidence in these high quality manilla gusset envelopes which...
SAVE 53% off RRP
Only £59.66 inc VAT£49.72 exc VAT
Product Code: EXR58724BG
Stock: 44
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Blake Packaging Manilla Peel & Seal Gusset Pocket 305x250mm 140gsm Pack 125 Code 4040 4040
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 29% off RRP
Only £59.92 inc VAT£49.93 exc VAT
Product Code: BLAKE4040
Stock: 207
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Blake Packaging Manilla Peel & Seal Gusset Pocket 352x250mm 140gsm Pack 125 Code 42060 42060
B4 Manilla gusset envelopes with peel and seal strip and expandable sides. These hig...
SAVE 30% off RRP
Only £60.32 inc VAT£50.27 exc VAT
Product Code: BLAKE42060
Stock: 125
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Blake Packaging Envelopes C4 White Pocket Peel and Seal Padded Eco Cushion 50mm Gusset 140gsm 324x22...
The most environmentally friendly padded envelope on the market and the only padded m...
SAVE 53% off RRP
Only £63.02 inc VAT£52.52 exc VAT
Product Code: EXR40772BL
Stock: 13
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Blake Packaging Manilla Peel & Seal Gusset Pocket 381x254mm 140gsm Pack 125 Code 11101 11101
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 31% off RRP
Only £64.78 inc VAT£53.98 exc VAT
Product Code: BLAKE11101
Stock: 181
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eGreen Packaging By Bong Ecommerce Mailing Envelopes C4+ Manilla Double Peel and Seal 50mm Gusset 11...
e-Green Mailing Envelopes the smarter paper mailer for ecommerce. e-green is the pac...
SAVE 67% off RRP
Only £65.41 inc VAT£54.51 exc VAT
Product Code: EXR59338BG
Stock: 4
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Blake Packaging White Peel & Seal Gusset Pocket 352x250mm 140gsm Pack 125 Code 41060 41060
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 31% off RRP
Only £66.48 inc VAT£55.40 exc VAT
Product Code: BLAKE41060
Stock: 235
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Blake Packaging Manilla Peel & Seal Gusset Pocket 352x250mm 140gsm Pack 125 Code 45070 45070
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 31% off RRP
Only £66.89 inc VAT£55.74 exc VAT
Product Code: BLAKE45070
Stock: 191
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New Guardian Gusset Envelope 381 x 254mm Peel and Seal Plain Power-Tac 25mm Gusset 130gsm Manilla (P...
Send bulky items with confidence in these high quality manilla gusset envelopes which...
SAVE 54% off RRP
Only £67.02 inc VAT£55.85 exc VAT
Product Code: EXR58759BG
Stock: 11
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Blake Premium Office Ultra White Wove Peel & Seal Gusset Pocket 229x162mm 120gsm Pack 125 Code 3...
The range that performs in all corporate environments; working with laser, digital an...
SAVE 31% off RRP
Only £67.21 inc VAT£56.01 exc VAT
Product Code: BLAKE35215
Stock: 75
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Blake Environmental White Peel & Seal Gusset Pocket 324x229mm 140gsm Pack 125 Code RN090 RN090
A branded recycled envelope range that can hold its head high when it comes to enviro...
SAVE 31% off RRP
Only £67.30 inc VAT£56.08 exc VAT
Product Code: BLAKERN090
Stock: 90
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Blake Avant Garde Cream Manilla Window Peel & Seal Gusset Pocket 324x229mm 140gsm Pack 100 Code ...
Cream Manilla premium gusset envelope available in a C4 Peel & seal pocket featuring ...
SAVE 31% off RRP
Only £67.45 inc VAT£56.21 exc VAT
Product Code: BLAKEAG0054
Stock: 124
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Blake Packaging Envelopes B4 White Pocket Peel and Seal Padded Eco Cushion 50mm Gusset 140gsm 350x25...
The most environmentally friendly padded envelope on the market and the only padded m...
SAVE 52% off RRP
Only £67.45 inc VAT£56.21 exc VAT
Product Code: EXR40779BL
Stock: 17
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Blake Environmental White Window Peel & Seal Gusset Pocket 324x229mm 140gsm Pack 125 Code RN091
A recycled envelope range that can hold its head high about its environmental credent...
SAVE 31% off RRP
Only £68.42 inc VAT£57.02 exc VAT
Product Code: BLAKERN091
Stock: 79
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E-Green C5 40mm Gusset Peel and Seal Mailer (Pack of 250) 69112 JD66440
Ideal for mailing bulky items such as catalogues, reports and brochures, these E-Gree...
SAVE 58% off RRP
Only £68.74 inc VAT£57.28 exc VAT
Product Code: JD66440
Stock: 6
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Blake Packaging White Peel & Seal Gusset Pocket 381x254mm 140gsm Pack 125 Code 12201 12201
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 32% off RRP
Only £70.28 inc VAT£58.57 exc VAT
Product Code: BLAKE12201
Stock: 200
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New Guardian Envelopes FSC Hvyweight Peel & Seal Gusset 130gsm C4 324x229x25mm Man E27266 [Pack ...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 40% off RRP
Only £71.10 inc VAT£59.25 exc VAT
Product Code: 311382
In stock
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Blake Packaging Manilla Peel & Seal Board Back Gusset 324x229mm 120gsm Pack 125 Code 93935M 9393
Heavy duty board back envelopes in white and manilla, made using 1000 micron backing ...
SAVE 32% off RRP
Only £72.40 inc VAT£60.33 exc VAT
Product Code: BLAKE93935M
Stock: 159
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New Guardian Envelopes FSC Hvyweight Peel & Seal Gusset 130gsm 305x250x25mm Manilla B27166 [Pack...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 40% off RRP
Only £73.08 inc VAT£60.90 exc VAT
Product Code: 311384
In stock
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Blake Premium Business Cream Wove Peel & Seal Gusset Pocket 229x162mm 140gsm Pack 125 Code 6400
Made in an attractive soft cream hue for those who want to differentiate from the eve...
SAVE 32% off RRP
Only £74.10 inc VAT£61.75 exc VAT
Product Code: BLAKE6400
Stock: 38
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Blake Avant Garde Cream Manilla Peel & Seal Gusset Pocket 324x229mm 140gsm Pack 100 Code AG0052 ...
Cream Manilla premium gusset envelope available in a C4 Peel & seal pocket. Suitable ...
SAVE 33% off RRP
Only £74.82 inc VAT£62.35 exc VAT
Product Code: BLAKEAG0052
Stock: 74
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Plus Fabric Pocket Gusset Envelope C4 Peel and Seal Window Power-Tac 25mm Gusset 120gsm White (Pack ...
Professionalism, appearance and protection are at the heart of Plus Fabric envelopes,...
SAVE 54% off RRP
Only £75.06 inc VAT£62.55 exc VAT
Product Code: EXR58927BG
Stock: 16
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New Guardian Envelopes FSC Peel & Seal Window Gusset 130gsm C4 324x229x25mm Manilla J27366 [Pack...
New Guardian manilla C4 envelopes are made from strong two-tone 130gsm premium paper,...
SAVE 40% off RRP
Only £76.98 inc VAT£64.15 exc VAT
Product Code: 315357
In stock
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Blake Avant Garde Cream Manilla Peel & Seal Gusset Pocket 381x254mm 140gsm Pack 100 Code AG0062 ...
Cream Manilla premium gusset envelope available in a 381 x 254mm Peel & seal pocket. ...
SAVE 33% off RRP
Only £77.66 inc VAT£64.72 exc VAT
Product Code: BLAKEAG0062
Stock: 69
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Blake Premium Office Ultra White Wove Peel & Seal Gusset Pocket 324x229mm 140gsm Pack 100 Code 3...
The range that performs in all corporate environments; working with laser, digital an...
SAVE 33% off RRP
Only £77.81 inc VAT£64.84 exc VAT
Product Code: BLAKE37115
Stock: 43
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Plus Fabric Pocket Gusset Envelope C4 Peel and Seal Plain Power-Tac 25mm Gusset 120gsm White (Pack 1...
Professionalism, appearance and protection are at the heart of Plus Fabric envelopes,...
SAVE 48% off RRP
Only £78.62 inc VAT£65.52 exc VAT
Product Code: EXR58934BG
Stock: 17
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New Guardian Envelopes Heavyweight Peel & Seal Gusset 130gsm 350x248x25mm Manilla M29066 [Pack 1...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 40% off RRP
Only £80.74 inc VAT£67.28 exc VAT
Product Code: 4039679
In stock
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Blake Premium Office Ultra White Wove Window Peel & Seal Gusset Pocket 324x229mm 140gsm Pack 100...
The range that performs in all corporate environments; working with laser, digital an...
SAVE 34% off RRP
Only £81.23 inc VAT£67.69 exc VAT
Product Code: BLAKE37116
Stock: 119
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Blake Packaging White Window Peel & Seal Gusset Pocket 350x250mm 140gsm Pack 125 Code 41062W 410
White B4 gusset envelopes with peel and seal strip and expandable sides. These high q...
SAVE 34% off RRP
Only £82.12 inc VAT£68.43 exc VAT
Product Code: BLAKE41062W
Stock: 176
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Blake Packaging Manilla Peel & Seal Gusset Pocket 406x305mm 140gsm Pack 125 Code 33301 33301
Packaging for all bulky postal applications. With 8 different sizes available across ...
SAVE 34% off RRP
Only £83.81 inc VAT£69.84 exc VAT
Product Code: BLAKE33301
Stock: 102
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Plus Fabric Envelopes PEFC Peel & Seal Gusset 120gsm C4 324x229x25mm White C26766 [Pack 100] 315...
Plus Fabric Gusset envelopes provide sturdy support to protect important documents, e...
SAVE 44% off RRP
Only £85.31 inc VAT£71.09 exc VAT
Product Code: 315538
In stock
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Blake Packaging White Peel & Seal Board Back Gusset 324x229mm 120gsm Pack 125 Code 92935 92935
Heavy duty board back envelopes in white and manilla, made using 1000 micron backing ...
SAVE 34% off RRP
Only £85.76 inc VAT£71.47 exc VAT
Product Code: BLAKE92935
Stock: 71
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New Guardian Envelopes FSC Hvyweight Peel & Seal Gusset 130gsm 381x254x25mm Manilla M27466 [Pack...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 40% off RRP
Only £87.91 inc VAT£73.26 exc VAT
Product Code: 311386
In stock
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Blake Packaging Envelopes E4 White Pocket Peel and Seal Padded Eco Cushion 50mm Gusset 140gsm 400x28...
The most environmentally friendly padded envelope on the market and the only padded m...
SAVE 54% off RRP
Only £89.11 inc VAT£74.26 exc VAT
Product Code: EXR40786BL
Stock: 7
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New Guardian Armour Gusset Envelope C4 Peel and Seal Plain Power-Tac 50mm Gusset 130gsm Manilla (Pac...
New Guardian Armour gusset envelopes. Reinforced in a grid pattern with a woven polye...
SAVE 53% off RRP
Only £92.02 inc VAT£76.68 exc VAT
Product Code: EXR58787BG
Stock: 38
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Plus Fabric Envelopes PEFC Wdw Peel & Seal Gusset 120gsm C4 324x229x25mm White C27566 [Pack 100]...
Suitable for all general office correspondence, these Plus Fabric envelopes are made ...
Only £92.12 inc VAT£76.77 exc VAT
Product Code: 315478
In stock
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Blake Avant Garde Cream Manilla Peel & Seal Gusset Pocket 406x305mm 140gsm Pack 100 Code AG0070 ...
Cream Manilla premium gusset envelope available in a 406 x 305mm Peel & seal pocket. ...
SAVE 35% off RRP
Only £94.18 inc VAT£78.48 exc VAT
Product Code: BLAKEAG0070
Stock: 49
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E-Green C4 Plus 50mm Gusset Peel and Seal Mailer (Pack of 250) 69113 JD66441
Ideal for mailing bulky items such as catalogues, reports and brochures, these E-Gree...
SAVE 58% off RRP
Only £95.30 inc VAT£79.42 exc VAT
Product Code: JD66441
Stock: 12
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Blake Premium Business Cream Wove Peel & Seal Gusset Pocket 324x229mm 140gsm Pack 125 Code 9400
Made in an attractive soft cream hue for those who want to differentiate from the eve...
SAVE 35% off RRP
Only £96.20 inc VAT£80.17 exc VAT
Product Code: BLAKE9400
Stock: 93
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Blake Avant Garde Envelope Gusset Pocket P&S Window 140gsm C4 Cream Manilla AG0054 [Pack 100] 403098...
Cream Manilla premium gusset envelope available in a C4 Peel & seal pocket featuring ...
SAVE 56% off RRP
Only £97.25 inc VAT£81.04 exc VAT
Product Code: 4030989
In stock
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Tyvek Gusseted Envelopes Extra Capacity Strong C4 H324xW229xD38mm 55gsm P&S White 11841 [Pack 100] 3...
Extra capacity, ideal for mailing really bulky and awkward shaped mail. Amazingly lig...
SAVE 74% off RRP
Only £98.75 inc VAT£82.29 exc VAT
Product Code: 319745
In stock
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Blake Premium Business Cream Wove Window Peel & Seal Gusset Pocket 324x229mm 140gsm Pack 125 Cod...
Made in an attractive soft cream hue for those who want to differentiate from the eve...
SAVE 36% off RRP
Only £101.88 inc VAT£84.90 exc VAT
Product Code: BLAKE9401W
In stock
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eGreen Packaging By Bong Ecommerce Mailing Envelopes C3+ Manilla Double Peel and Seal 80mm Gusset 11...
e-Green Mailing Envelopes the smarter paper mailer for ecommerce. e-green is the pac...
SAVE 67% off RRP
Only £103.03 inc VAT£85.86 exc VAT
Product Code: EXR59352BG
Stock: 5
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Plus Fabric Envelopes PEFC Peel & Seal Gusset 120gsm 381x254x25mm White H28866 [Pack 100] 315544
Gusset envelopes (also known as expandable envelopes) are ideal for sending bulky ite...
SAVE 44% off RRP
Only £105.24 inc VAT£87.70 exc VAT
Product Code: 315544
In stock
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New Guardian Envelopes FSC Hvyweight Peel & Seal Gusset 130gsm 406x305x25mm Manilla B27326 [Pack...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 38% off RRP
Only £107.59 inc VAT£89.66 exc VAT
Product Code: 311388
In stock
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eGreen Packaging By Bong Ecommerce Mailing Envelopes C3+ Manilla Double Peel and Seal 120mm Gusset 1...
e-Green Mailing Envelopes the smarter paper mailer for ecommerce. e-green is the pac...
SAVE 67% off RRP
Only £110.40 inc VAT£92.00 exc VAT
Product Code: EXR59345BG
Stock: 3
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Blake Secure White Peel & Seal Tear Resistant Gusset 324x229mm 125gsm Pack 100 Code TR9900 TR990
Recognised as some of the strongest envelopes in the world, their tear resistant pape...
SAVE 37% off RRP
Only £115.57 inc VAT£96.31 exc VAT
Product Code: BLAKETR9900
Stock: 261
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New Guardian Armour Envelopes C4 Gusset 50mm Peel And Seal 130gsm Kraft Manilla A28113 [Pack 100] 35...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 40% off RRP
Only £118.57 inc VAT£98.81 exc VAT
Product Code: 359910
In stock
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Blake Secure White Window Peel & Seal Tear Resistant Gusset 324x229mm 125gsm Pack 100 Code TR990...
Recognised as some of the strongest envelopes in the world, their tear resistant pape...
SAVE 37% off RRP
Only £119.62 inc VAT£99.68 exc VAT
Product Code: BLAKETR9901
Stock: 201
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Blake Secure White Peel & Seal Tear Resistant Gusset 352x250mm 125gsm Pack 100 Code TR44070 TR44
Recognised as some of the strongest envelopes in the world, their tear resistant pape...
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Product Code: BLAKETR44070
Stock: 113
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Tyvek Gusseted Envelopes Extra Capacity Strong C4 H324xW229xD20mm 55gsm P&S White 11762 [Pack 100] 4...
Thinking about using a box or padded envelope? Why not use a lightweight yet robust T...
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Product Code: 4105943
In stock
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Blake Secure White Peel & Seal Tear Resistant Gusset 381x254mm 125gsm Pack 100 Code TR13301 TR13
Recognised as some of the strongest envelopes in the world, their tear resistant pape...
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Product Code: BLAKETR13301
Stock: 101
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Tyvek Gusseted Envelopes Extra Capacity Strong E4 H406xW305xD50mm 55gsm P&S White 11846 [Pack 100] 3...
Extra capacity, ideal for mailing really bulky and awkward shaped mail. Size E4 (406x...
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Product Code: 319750
In stock
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New Guardian Armour Gusset Envelope 380x280mm Peel and Seal Plain Power-Tac 50mm Gusset 130gsm Manil...
New Guardian Armour gusset envelopes. Reinforced in a grid pattern with a woven polye...
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Product Code: EXR58808BG
Stock: 12
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Blake Packaging Manilla Peel & Seal Gusset Pocket 450x324mm 140gsm Pack 125 Code G55501 G55501
Packaging for all bulky postal applications. With 8 different sizes available across ...
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Product Code: BLAKEG55501
Stock: 90
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Tyvek Pocket Gusset Envelope 406x305mm Peel and Seal 50mm Gusset 55gsm White (Pack 100) - 11846 6128...
Extra capacity, ideal for mailing really bulky and awkward shaped mail. Size E4 (406x...
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Product Code: EXR61286BG
Stock: 27
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Tyvek Gusseted Envelopes Extra Capacity Strong D4A H381xW250xD50mm 55gsm P&S White 11844 [Pack 100] ...
Extra capacity, ideal for mailing really bulky and awkward shaped mail. Size D4A (381...
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Product Code: 319752
In stock
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Blake Secure White Peel & Seal Tear Resistant Gusset 229x324mm 125gsm Pack 100 Code TR7700 TR770
Recognised as some of the strongest envelopes in the world, their tear resistant pape...
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Product Code: BLAKETR7700
Stock: 4
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New Guardian Armour Envelopes 380x280mm Gusset 50mm Peel&Seal 130gsm Kraft Manilla H28313 [Pack 100]...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
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Product Code: 359945
In stock
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Blake Secure White Peel & Seal Tear Resistant Gusset 406x305mm 125gsm Pack 100 Code TR44401 TR44
Recognised as some of the strongest envelopes in the world, their tear resistant pape...
SAVE 39% off RRP
Only £193.49 inc VAT£161.24 exc VAT
Product Code: BLAKETR44401
In stock
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New Guardian Armour Envelope 381x279x50mm Manilla (Pack of 100) H28313 JDH28313
These New Guardian Armour gusset envelopes are made from durable, heavyweight 130gsm ...
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Product Code: JDH28313
Stock: 6
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5 Star Office Envelopes Peel and Seal Window Gusset 25mm 120gsm C4 324x229x25mm White (Pack of 125) ...
5 Star Office white C4 envelopes made from heavyweight 120gsm paper. They feature a w...
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Only £27.14 inc VAT£22.62 exc VAT
Product Code: FS930183
Stock: 7
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Q-Connect C5 Envelopes Gusset Peel and Seal 120gsm White (125 Pack) KF02889 KF02889
Featuring a 25mm expanding gusset, these Q-Connect C5 envelopes are suitable for mail...
SAVE 92% off RRP
Only £27.62 inc VAT£23.02 exc VAT
Product Code: KF02889
Stock: out of stock
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Q-Connect Envelope Gusset 324x229x25mm Peel and Seal 120gsm Manilla (Pack of 100) KF3527 KF3527
Ideal for mailing bulky items such as catalogues, reports, brochures and more, these ...
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Product Code: KF3527
Stock: out of stock
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Q-Connect C4 Envelopes Gusset Peel and Seal 120gsm White (125 Pack) KF02890 KF02890
Featuring a 25mm expanding gusset, these Q-Connect C4 envelopes are suitable for mail...
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Only £31.22 inc VAT£26.02 exc VAT
Product Code: KF02890
Stock: out of stock
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Q-Connect Envelope Gusset 406x305x25mm Peel and Seal 120gsm Manilla (Pack of 100) KF3529 KF3529
Ideal for mailing bulky items such as catalogues, reports, brochures and more, these ...
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Product Code: KF3529
Stock: out of stock
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Q-Connect C4 Envelopes Window Gusset Peel and Seal 120gsm White (125 Pack) KF02891 KF02891
Ideal for mailing bulky items such as catalogues, reports, brochures and more, these ...
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Product Code: KF02891
Stock: out of stock
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Q-Connect Envelope Gusset 381x254x25mm Peel and Seal 120gsm Manilla (Pack of 100) KF3528 KF3528
Ideal for mailing bulky items such as catalogues, reports, brochures and more, these ...
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Product Code: KF3528
Stock: out of stock
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Q-Connect Envelope Gusset 305x254x25mm Peel and Seal 120gsm Manilla (Pack of 100) KF3526 KF3526
Ideal for mailing bulky items such as catalogues, reports, brochures and more, these ...
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Product Code: KF3526
Stock: out of stock
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New Guardian Envelope Gusset 406x305x25mm Manilla (Pack of 100) B27326 JDB27326
Ideal for mailing bulky items such as catalogues, reports, brochures and more, these ...
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Product Code: JDB27326
Stock: out of stock
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New Guardian Envelope PSeal 381x254x25mm Manilla (Pack of 100) M27466 JDM27466
Ideal for mailing bulky items such as catalogues, reports, brochures and more, these ...
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Product Code: JDM27466
Stock: out of stock
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Q-Connect Gusset Envelope 352x250x25mm Manilla B4 (Pack of 125) KF08898 KF08898
Ideal for mailing bulky items such as catalogues, reports, brochures and more, these ...
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Product Code: KF08898
Stock: out of stock
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E-Green C3 Plus 80mm Gusset Peel and Seal Mailer (Pack of 200) 69115 JD66443
Ideal for mailing bulky items such as catalogues, reports and brochures, these E-Gree...
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Product Code: JD66443
Stock: out of stock
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5 Star Value Envelope C4 Gusset 25mm Peel and Seal 115gsm Manilla (Pack of 125) FS652532
With our comprehensive range of office stationery, you can depend on us to give you e...
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Product Code: FS652532
Stock: out of stock
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5 Star Office Envelopes C4 Gusset 25mm Peel and Seal 115gsm Manilla (Pack of 125) FS906527
With our comprehensive range of office stationery, 5 Star has always been your watch ...
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Product Code: FS906527
Stock: out of stock
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5 Star Office Envelopes C4 Gusset 25mm Peel and Seal 120gsm White (Pack of 125) FS930191
With our comprehensive range of office stationery, 5 Star has always been your watch ...
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Product Code: FS930191
Stock: out of stock