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Gusset Envelopes

Mail your bulky documents securely with our Gusset Envelopes. Designed to expand for larger items, they are perfect for sending catalogs, brochures, or multiple documents.

  • Plus Fabric C4 Prestige White 120gsm Gusset P&S Powertac Pocket Box of 100 Envelopes

    Original price $99.72 - Original price $99.72
    Original price $99.72
    $112.49
    $112.49 - $112.49
    Current price $112.49
    Out of stock

    Plus Fabric- Premium quality paper combines strength, quality, and appearance, and creates a lasting impression C4 size Power-tac adhesive off...

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  • Tyvek E4 Gusset Envelopes 305 x 406 mm Peel and Seal Plain 55 gsm White Pack of 100

    Original price $149.37 - Original price $149.37
    Original price
    $149.37
    $149.37 - $149.37
    Current price $149.37
    Out of stock

    Description Specifications However hard the journey, you can rely on Tyvek envelopes The strongest envelope for your important mail Burst,...

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  • PREMIUM Office Gusset Envelopes 35215 C5 Peel & Seal 229 x 162 x 25 mm Plain 120 gsm Ultra White Wove Pack of 125

    Original price $82.49 - Original price $82.49
    Original price
    $82.49
    $82.49 - $82.49
    Current price $82.49
    Out of stock

    Make a difference to your mail with these quality Premium Office envelopes by Blake Quality 120 gsm FSC Certified Paper Attractive box for safe an...

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  • PREMIUM Tear Resistant Gusset Envelopes C4 Peel & Seal 324 x 229 x 25 mm Plain 125 gsm White Pack of 100

    Original price $143.75 - Original price $143.75
    Original price
    $143.75
    $143.75 - $143.75
    Current price $143.75
    Out of stock

    Make a difference to your mail with these durable Premium Secure envelopes by Blake Made from high quality 125gsm, tear resistant paper Secure Pee...

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  • Premium Business Envelopes with Window C4 229 (W) x 324 (H) mm Adhesive Strip White 140 gsm Pack of 100

    Original price $134.99 - Original price $134.99
    Original price
    $134.99
    $134.99 - $134.99
    Current price $134.99
    Out of stock

    Trust in the security of your delivery with Premium BusinessDescriptionHot melt peel and seal flap ensures long shelf life and optimum tamper proof...

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  • Office Depot Non Standard Gusset Envelopes 305 x 406 mm Peel and Seal Plain 140 gsm Brown Pack of 125

    Original price $91.25 - Original price $91.25
    Original price
    $91.25
    $91.25 - $91.25
    Current price $91.25
    Out of stock

    Simplified mailing solutions from Office Depot Extra tough expandable envelopes with strong peel and seal closure SEAL TIGHTER - Peel and seal fla...

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  • Office Depot C5 Gusset Envelopes 162 x 229 mm Peel and Seal Plain 120 gsm Brown Pack of 125

    Original price $54.99 - Original price $54.99
    Original price
    $54.99
    $54.99 - $54.99
    Current price $54.99
    Out of stock

    A tough all-rounder from Office Depot Enlarges to up to 50mm (on 2") and 25mm (on 1"), perfect for bulky mailing of paper and binders Heavyweight ...

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  • Office Depot Non Standard Gusset Envelopes 254 x 356 mm Peel and Seal Plain 140 gsm Brown Pack of 125

    Original price $83.75 - Original price $83.75
    Original price
    $83.75
    $83.75 - $83.75
    Current price $83.75
    Out of stock

    A tough all-rounderDescriptionEnlarges to up to 50mm (on 2") and 25mm (on 1"), perfect for bulky mailing of paper and binders Heavyweight 140gsm ma...

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  • New Guardian Hvywght P&S Gusset 25mm Manilla 350x248mm PK100

    Original price $88.55 - Original price $88.55
    Original price $88.55
    $93.12
    $93.12 - $93.12
    Current price $93.12
    Out of stock

    Description New Guardian Manilla Gusset Envelopes. Send bulky items with confidence in these high quality manilla gusset envelopes which provi...

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  • New Guardian Hvywght P&S Window Gusset 25mm Manilla C4 PK100

    Original price $84.48 - Original price $84.48
    Original price $84.48
    $89.99
    $89.99 - $89.99
    Current price $89.99
    Out of stock

    Description Send bulky items with confidence in these high quality manilla gusset envelopes which provide a combination of good looks and stre...

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  • Purely Packaging Eco Peel and Seal Gusset WH B4 140gsm PK100

    Original price $103.17
    Original price $103.17 - Original price $103.17
    Original price $103.17
    Current price $91.86
    $91.86 - $91.86
    Current price $91.86
    Out of stock

    Description The most environmentally friendly padded envelope on the market and the only padded mailer with an expandable gusset.

  • Purely Packaging Eco Peel and Seal Gusset Wh 140gsm C4 PK100

    Original price $98.31
    Original price $98.31 - Original price $98.31
    Original price $98.31
    Current price $85.62
    $85.62 - $85.62
    Current price $85.62
    Out of stock

    Description The most environmentally friendly padded envelope on the market and the only padded mailer with an expandable gusset.

  • Tyvek B4 Envelopes 250 x 353 mm Peel and Seal Plain 55 gsm White Pack of 100

    Original price $169.37 - Original price $169.37
    Original price
    $169.37
    $169.37 - $169.37
    Current price $169.37
    Out of stock

    However hard the journey, you can rely on Tyvek envelopes Gusset envelope designed to be water and tear resistant Made of 100% high density polyet...

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  • Tyvek Gusseted Envelopes Extra Capacity Strong C4 H324xW229xD38mm White Ref R4120 [Pack 100]

    Original price $127.35 - Original price $127.35
    Original price $127.35
    $141.24
    $141.24 - $141.24
    Current price $141.24
    Low stock

    Extra capacity, ideal for mailing really bulky and awkward shaped mail. C4 324x229mm. Gusset Size: 38mm. Packed 100. ONDE76372 Description Mor...

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  • Office Depot C4 Gusset Envelopes 229 x 324mm Peel and Seal Plain 120 gsm Brown Pack of 125

    Original price $54.99 - Original price $54.99
    Original price
    $54.99
    $54.99 - $54.99
    Current price $54.99
    Out of stock

    Simplified mailing solutions from Office Depot Enlarges to up to 50mm (on 2") and 25mm (on 1"), perfect for bulky mailing of paper and binders Hea...

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  • Gusset Padded Envelopes K-Pack E4 400 x 280 x 50mm - Box of 100

    Original price $133.11 - Original price $133.11
    Original price
    $133.11
    $133.11 - $133.11
    Current price $133.11
    Out of stock

    Quality padded mailer with expansion sides and 'V' bottom Made from 100% recycled paper Made from 3 sheets of paper: cover 140gsm oyster paper...

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  • Gusset Padded Envelopes K-Pack C5 229 x 162 x 50mm - Box of 100

    Original price $75.62 - Original price $75.62
    Original price
    $75.62
    $75.62 - $75.62
    Current price $75.62
    Out of stock

    Quality padded mailer with expansion sides and 'V' bottom Made from 100% recycled paper Made from 3 sheets of paper: cover 140gsm oyster paper...

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  • New Guardian Armour Envelopes Peel And Seal Gusset 50mm 135gsm Kraft Manilla 380x280mm [Box 100]

    Original price $206.96 - Original price $206.96
    Original price $206.96
    $230.00
    $230.00 - $230.00
    Current price $230.00
    Out of stock

    Strong 130gsm manila gusset envelopes Gusset allows envelope to expand to 25mm in depth Secure peel and seal envelopes with Power-Tac adhesive...

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  • Enduro Tear Resistant 350 x 250 x 25 Pocket Gusset Peel and Seal Envelopes White - Box of 20

    Original price $30.42
    Original price $30.42 - Original price $30.42
    Original price $30.42
    Current price $26.24
    $26.24 - $26.24
    Current price $26.24
    Out of stock

    Tear-resistant, burst proof envelopes which are water impermeable. Enduro envelopes are fully over-printable and can be printer-addressed Descr...

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  • Office Depot Non Standard Gusset Envelopes 254 x 381 mm Peel and Seal Plain 140 gsm Brown Pack of 125

    Original price $83.75 - Original price $83.75
    Original price
    $83.75
    $83.75 - $83.75
    Current price $83.75
    Out of stock

    Simplified mailing solutions from Office Depot Enlarges to up to 50mm (on 2") and 25mm (on 1"), perfect for bulky mailing of paper and binders Hea...

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  • Office Depot Gusset Envelopes Non standard 115 gsm 254 xx 356 mm Brown Plain Peel and Seal Pack of 125

    Original price $77.49 - Original price $77.49
    Original price
    $77.49
    $77.49 - $77.49
    Current price $77.49
    Out of stock

    The envelope that grows on you. Enlarges to up to 50mm (on 2") and 25mm (on 1"), perfect for bulky mailing of paper and binders Heavyweight 115gsm...

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  • Premium Brown Gusset V Bottom 356 x 254 x 25mm Peel and Seal 140gsm Plain - Box of 125

    Original price $81.87 - Original price $81.87
    Original price
    $81.87
    $81.87 - $81.87
    Current price $81.87
    Out of stock

    Enlarges to up to 50mm (on 2") and 25mm (on 1"), perfect for bulky mailing of paper and binders Heavyweight 140gsm manilla ensures mail arrives ...

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  • Office Depot C4 Gusset Envelopes 229 x 324 mm Peel and Seal Plain 130 gsm Brown Pack of 125

    Original price $68.12 - Original price $68.12
    Original price
    $68.12
    $68.12 - $68.12
    Current price $68.12
    Out of stock

    Simplified mailing solutions from Office Depot Enlarges to up to 50mm (on 2") and 25mm (on 1"), perfect for bulky mailing of paper and binders Hea...

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  • Plus Fabric C4 White Pocket Peel And Seal Gusset Envelope with Powertac, 120 gsm, Pack of 100

    Original price $107.66 - Original price $107.66
    Original price $107.66
    $113.12
    $113.12 - $113.12
    Current price $113.12
    Out of stock

    Plus Fabric- Premium quality paper combines strength, quality, and appearance, and creates a lasting impression C4 size with a gusset Power-ta...

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  • New Guardian Envelopes Heavyweight Peel and Seal Gusset 25mm 130gsm Manilla 381x254mm [Pack of 100]

    Original price $96.50 - Original price $96.50
    Original price $96.50
    $101.24
    $101.24 - $101.24
    Current price $101.24
    Out of stock

    New Guardian - A strong two-tone manila paper that safeguards important contents and offers premium protection for important Mail 381x254 size w...

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  • New Guardian C4 Armour Manilla 130gsm Peel & Seal Gusset Envelope, Box 100

    Original price $130.10 - Original price $130.10
    Original price $130.10
    $137.49
    $137.49 - $137.49
    Current price $137.49
    Out of stock

    New Guardian - A strong two-tone manilla paper that safeguards important contents and offers premium protection for important Mail C4 size Sub...

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  • New Guardian Envelopes Heavyweight Peel and Seal Gusset 25mm 130gsm Manilla C4 (Pack 100)

    Original price $78.05 - Original price $78.05
    Original price $78.05
    $81.87
    $81.87 - $81.87
    Current price $81.87
    Out of stock

    New Guardian - A strong two-tone manilla paper that safeguards important contents and offers premium protection for important Mail C4 size Sub...

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  • Premium Business Envelopes Plain C4 229 (W) x 324 (H) mm Adhesive Strip White 140 gsm Pack of 100

    Original price $133.11 - Original price $133.11
    Original price
    $133.11
    $133.11 - $133.11
    Current price $133.11
    Out of stock

    Trust in the security of your delivery with Premium Business Make a difference to your mail with these quality Premium Office envelopes by Blake Q...

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  • Blake Purely Packaging 406 x 305 x 30 mm 140 gsm Gusset Pocket Peel & Seal Envelopes (33301) Manilla - Pack of 125

    Original price $77.49 - Original price $77.49
    Original price
    $77.49
    $77.49 - $77.49
    Current price $77.49
    Out of stock

    Secure Peel and Seal Closure for ease of use, added security and extra shelf life Made from high quality 140gsm paper Perfect for catalogues, ...

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  • Blake Premium Avant Garde 406 x 305 x 30 mm 140 gsm Heavyweight Extra Strong Peel & Seal Gusset Pocket Envelopes (AG0070) Cream Manilla - Pack of 100

    Original price $150.62 - Original price $150.62
    Original price
    $150.62
    $150.62 - $150.62
    Current price $150.62
    Out of stock

    Make a difference to your mail with these high quality Premium Avant Garde envelopes by Blake Power-seal peel & seal for extended shelf life...

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  • Blake Premium Avant Garde 381 x 254 x 25 mm 140 gsm Heavyweight Extra Strong Peel & Seal Gusset Pocket Envelopes (AG0062) Cream Manilla - Pack of 100

    Original price $129.36 - Original price $129.36
    Original price
    $129.36
    $129.36 - $129.36
    Current price $129.36
    Out of stock

    Make a difference to your mail with these high quality Premium Avant Garde envelopes by Blake Power-seal peel & seal for extended shelf life...

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  • Blake Premium Secure C4 324 x 229 x 25 mm 125 gsm Tear Resistant Gusset Pocket Peel & Seal Window Envelopes (TR9901) White - Pack of 100

    Original price $193.11 - Original price $193.11
    Original price
    $193.11
    $193.11 - $193.11
    Current price $193.11
    Out of stock

    Make a difference to your mail with these durable Premium Secure envelopes by Blake Made from high quality 125gsm, tear resistant paper Secure...

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  • Blake Purely Packaging C5 229 x 162 x 25 mm 120 gsm Gusset Pocket Peel & Seal Window Envelopes (6001) White - Pack of 125

    Original price $41.24 - Original price $41.24
    Original price
    $41.24
    $41.24 - $41.24
    Current price $41.24
    Out of stock

    Secure Peel and Seal Closure for ease of use, added security and extra shelf life Made from high quality 120gsm paper Perfect for catalogues, ...

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  • Blake Premium Office C4 324 x 229 x 25 mm 120 gsm Gusset Pocket Peel & Seal Envelopes (37115) Ultra White Wove - Pack of 100

    Original price $78.98
    Original price $78.98 - Original price $78.98
    Original price $78.98
    Current price $71.24
    $71.24 - $71.24
    Current price $71.24
    Out of stock

    Make a difference to your mail with these quality Premium Office envelopes by Blake Quality 120 gsm FSC Certified Paper Attractive box for saf...

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  • Blake Premium Avant Garde C4 324 x 229 x 25 mm 140 gsm Heavyweight Extra Strong Peel & Seal Gusset Window Pocket Envelopes (AG0054) Cream Manilla - Pack of 100

    Original price $118.11 - Original price $118.11
    Original price
    $118.11
    $118.11 - $118.11
    Current price $118.11
    Out of stock

    Make a difference to your mail with these high quality Premium Avant Garde envelopes by Blake Power-seal peel & seal for extended shelf life...

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  • Blake Purely Packaging C4 324 x 229 x 25 mm 130 gsm Gusset Pocket Peel & Seal Window Envelopes (1992MW) Manilla - Pack of 125

    Original price $40.62 - Original price $40.62
    Original price
    $40.62
    $40.62 - $40.62
    Current price $40.62
    Out of stock

    Secure Peel and Seal Closure for ease of use, added security and extra shelf life Made from high quality 130gsm paper Perfect for catalogues, ...

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