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  • 1000 x White C5 A5 Size Box Large Letter Strong Cardboard Shipping MAILING Postal PIP. Internal Size: 22.5cm x 16cm x 2cm
    1000 x White C5 A5 Size Box La...
    1000 x WHITE C5/A5 PRICING IN PROPORTION (PIP) BROWN CARDBOARD POSTAL BOXES QU... 1000 x WHITE C5/A5 PRICING IN PROPORTION (PIP) BROWN CARDBOARD POSTAL BOXES QUANTITY: 1000 EXTERNAL SIZE: 9" x 6.5" x 0.8" - LARGE LETTER QUALIFYING INTERNAL SIZE: 22.5cm x 16cm x 2cm, WEIGHT: 34g MADE FROM A STRONG 1mm THICK SINGLE WALL CARDBOARD more
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  • 250 x White C5 A5 Size Box Large Letter Strong Cardboard Shipping MAILING Postal PIP. Internal Size: 22.5cm x 16cm x 2cm
    250 x White C5 A5 Size Box Lar...
    250 x WHITE C5/A5 PRICING IN PROPORTION (PIP) BROWN CARDBOARD POSTAL BOXES QUA... 250 x WHITE C5/A5 PRICING IN PROPORTION (PIP) BROWN CARDBOARD POSTAL BOXES QUANTITY: 1 EXTERNAL SIZE: 9" x 6.5" x 0.8" - LARGE LETTER QUALIFYING INTERNAL SIZE: 22.5cm x 16cm x 2cm , WEIGHT: 34g MADE FROM A STRONG 1mm THICK SINGLE WALL CARDBOARD more
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  • 200-WHITE C5 A5 Size Box 160x230x22mm Royal Mail Large Letter Postal Cardboard PIP
    200-WHITE C5 A5 Size Box 160x2...
    200-WHITE C5 A5 Size Box 160x230x22mm Royal Mail Large Letter Postal Cardboard... 200-WHITE C5 A5 Size Box 160x230x22mm Royal Mail Large Letter Postal Cardboard PIP more
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  • 500 x White C5 A5 Size Box Large Letter Strong Cardboard Shipping MAILING Postal PIP. Internal Size: 22.5cm x 16cm x 2cm
    500 x White C5 A5 Size Box Lar...
    500 x WHITE C5/A5 PRICING IN PROPORTION (PIP) BROWN CARDBOARD POSTAL BOXES QUA... 500 x WHITE C5/A5 PRICING IN PROPORTION (PIP) BROWN CARDBOARD POSTAL BOXES QUANTITY: 500 EXTERNAL SIZE: 9" x 6.5" x 0.8" - LARGE LETTER QUALIFYING INTERNAL SIZE: 22.5cm x 16cm x 2cm , WEIGHT: 34g MADE FROM A STRONG 1mm THICK SINGLE WALL CARDBOARD more
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  • AKAR A5 (C5)-23x16 cm-229x162mm""Please DO NOT Bend"Printed- White Cardboard Backed Please Do Not Bend Envelope with Peel & Seal Strip White Hard Board Back Envelopes[Pack of 1,000]
    AKAR A5 (C5)-23x16 cm-229x162m...
    SELF-ADHESIVE SEAL: The self-adhesive strip makes sealing and securing your en... SELF-ADHESIVE SEAL: The self-adhesive strip makes sealing and securing your envelope a breeze. No need for tape or additional adhesive.The self-adhesive flap makes sealing these envelopes a breeze. Simply peel off the protective strip and press to... more
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  • AKAR A5 (C5)-23x16 cm-229x162mm""Please DO NOT Bend"Printed- White Cardboard Backed Please Do Not Bend Envelope with Peel & Seal Strip White Hard Board Back Envelopes [Pack of 250]
    AKAR A5 (C5)-23x16 cm-229x162m...
    ULTIMATE DOCUMENT PROTECTION: Shipping important papers or artwork? You can tr... ULTIMATE DOCUMENT PROTECTION: Shipping important papers or artwork? You can trust our envelopes to keep them in pristine condition during transit.Our cardboard envelope features a "DO NOT BEND" message in bold red letters to ensure that postal workers... more
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  • AKAR A5 (C5)-23x16 cm-229x162mm""Please DO NOT Bend"Printed- White Hard envelopes a5 Cardboard envelopes Card envelopes do not Bend envelopes a5 Hard Backed envelopes a5 [Pack of 750]
    AKAR A5 (C5)-23x16 cm-229x162m...
    AKAR A5 (C5)-23x16 cm-229x162mm""Please DO NOT Bend"Printed- White Hard envelo... AKAR A5 (C5)-23x16 cm-229x162mm""Please DO NOT Bend"Printed- White Hard envelopes a5 Cardboard envelopes Card envelopes do not Bend envelopes a5 Hard Backed envelopes a5 [Pack of 750] more
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  • AKAR A5 (C5)-23x16 cm-229x162mm""Please DO NOT Bend"Printed- White Hard Board Backed Envelopes Do Not Bend Cardboard Backed Please Do Not Bend Envelope with Peel & Seal Strip [Pack of 500]
    AKAR A5 (C5)-23x16 cm-229x162m...
    ULTIMATE DOCUMENT PROTECTION: Shipping important papers or artwork? You can tr... ULTIMATE DOCUMENT PROTECTION: Shipping important papers or artwork? You can trust our envelopes to keep them in pristine condition during transit.Our cardboard envelope features a "DO NOT BEND" message in bold red letters to ensure that postal workers... more
    Details
  • AKAR A5 (C5)-23x16 cm-229x162mm""Please DO NOT Bend" Printed- Cardboard Envelope Mailer Hard Board Backed Envelopes White-do not Bend envelopes-Card envelopes-a5 do not Bend envelopes [Pack of 375]
    AKAR A5 (C5)-23x16 cm-229x162m...
    "DO NOT BEND" WARNING: The prominently displayed "DO NOT BEND" message on the ... "DO NOT BEND" WARNING: The prominently displayed "DO NOT BEND" message on the front serves as a clear reminder to couriers and postal workers to handle your package with care, reducing the risk of mishandling.These envelopes are perfect for a wide... more
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  • Pack of 100X A5 White Rigid Mailers All Board (16.2x22.9 cm - 6.5x9 in) by Greener Route, Stay Flat Cardboard Envelopes with Self Seal for Photo & Document
    Pack of 100X A5 White Rigid Ma...
    Ideal for posting or storing a range of documents that need to be kept flat SE... Ideal for posting or storing a range of documents that need to be kept flat SELF-ADHESIVE CONVENIENCE: : come with a peel-&-seal strip, and white envelopes feature a tear strip These robust and versatile envelopes are the perfect addition to businesses... more
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  • Pack of 200X A5 White Rigid Mailers All Board (16.2x22.9 cm) by Greener Route, Stay Flat Cardboard Envelopes with Self Seal for Photo & Document
    Pack of 200X A5 White Rigid Ma...
    Ideal for posting or storing a range of documents that need to be kept flat SE... Ideal for posting or storing a range of documents that need to be kept flat SELF-ADHESIVE CONVENIENCE: : come with a peel-&-seal strip, and white envelopes feature a tear strip These robust and versatile envelopes are the perfect addition to businesses... more
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  • AKAR A5/C5-180x235mm -[Pack of 1000] Strong Rigid Cardboard Envelopes/Cardboard C5 Envelope, Heavy Duty 400gsm,Corrugated Capacity Book Mailers,Peel & Seal, Rip & Strip Open Capacity A5 Book Mailler
    AKAR A5/C5-180x235mm -[Pack of...
    AKAR A5/C5-180x235mm -[Pack of 1000] Strong Rigid Cardboard Envelopes/Cardboar... AKAR A5/C5-180x235mm -[Pack of 1000] Strong Rigid Cardboard Envelopes/Cardboard C5 Envelope, Heavy Duty 400gsm,Corrugated Capacity Book Mailers,Peel & Seal, Rip & Strip Open Capacity A5 Book Mailler more
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  • AKAR C5+(B5) -194 x 292mm -[Pack of 200] Strong Rigid Cardboard Envelopes/Cardboard C5+ Envelope, Heavy Duty 400gsm,Corrugated Capacity Book Mailers,Peel & Seal, Rip & Strip Capacity B5 Book Mailler
    AKAR C5+(B5) -194 x 292mm -[Pa...
    AKAR C5+(B5) -194 x 292mm -[Pack of 200] Strong Rigid Cardboard Envelopes/Card... AKAR C5+(B5) -194 x 292mm -[Pack of 200] Strong Rigid Cardboard Envelopes/Cardboard C5+ Envelope, Heavy Duty 400gsm,Corrugated Capacity Book Mailers,Peel & Seal, Rip & Strip Capacity B5 Book Mailler more
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  • AKAR A5/C5-180x235mm -[Pack of 500] Strong Rigid Cardboard Envelopes/Cardboard C5 Envelope, Heavy Duty 400gsm,Corrugated Capacity Book Mailers,Peel & Seal, Rip & Strip Open Capacity A5 Book Mailler
    AKAR A5/C5-180x235mm -[Pack of...
    AKAR A5/C5-180x235mm -[Pack of 500] Strong Rigid Cardboard Envelopes/Cardboard... AKAR A5/C5-180x235mm -[Pack of 500] Strong Rigid Cardboard Envelopes/Cardboard C5 Envelope, Heavy Duty 400gsm,Corrugated Capacity Book Mailers,Peel & Seal, Rip & Strip Open Capacity A5 Book Mailler more
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  • 100 x Cardboard Envelopes / Book Mailers: Self Seal Strip A5
    100 x Cardboard Envelopes / Bo...
    Our A5 cardboard envelopes are made of top quality strong 400gsm board sized 1... Our A5 cardboard envelopes are made of top quality strong 400gsm board sized 180 x 235 mm. They are supplied in cost-effective packs of 100 – ideal for online traders, retail and mail order businesses and offering a secure but flexible mailing... more
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  • Basildon Bond C5 Recycled White 120gsm Window Peel & Seal Pocket, Box 500 Envelopes,J80119
    Basildon Bond C5 Recycled Whit...
    Basildon Bond- 100% natural mailing choice for those who Care about the ENVIRO... Basildon Bond- 100% natural mailing choice for those who Care about the ENVIRONMENT C5 size, and features a window film that is 100% biodegradable, so even the window envelopes can be recycled as usual Features a subtle green opaque Features a peel &... more
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  • Elco 60289 Box of 500 Envelopes with Window C5/6 Format-White
    Elco 60289 Box of 500 Envelope...
    Size: C5 Envelope 6Description description/5 Year Guarantee Size: DL 110 x 220... Size: C5 Envelope 6Description description/5 Year Guarantee Size: DL 110 x 220 mm Window 35 x 100 mm)-FSC-sourced paper Self-adhesive white envelopes with strip Box of 500 Colour: White more
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  • EPOSGEAR® A5/C5 Plain White Self Seal Wallet Envelopes 229mm x 162mm 90gsm (Box of 1,000 Envelopes)
    EPOSGEAR® A5/C5 Plain White S...
    Brand new high quality C5 envelopes Self Seal function on the envelopes provid... Brand new high quality C5 envelopes Self Seal function on the envelopes provides secure closure. Ideal for sending letters, postcards, invites, photos and other small documents. Suitable for business or home use. Dimensions: Width - 229mm, Height - 162mm more
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  • Plus Fabric C5 Prestige White 120gsm Window Self Seal Pocket Box of 500 Envelopes
    Plus Fabric C5 Prestige White ...
    Plus Fabric- Premium quality paper combines strength, quality, and appearance,... Plus Fabric- Premium quality paper combines strength, quality, and appearance, and creates a lasting impression C5 size Self Seal for an instant bond Features a stylish blue opaque to ensure contents remain confidential 500 120gsm bright white paper... more
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  • Plus Fabric C5 Prestige White 120gsm Self Seal Pocket Box of 250 Envelopes
    Plus Fabric C5 Prestige White ...
    Plus Fabric- Premium quality paper combines strength, quality, and appearance,... Plus Fabric- Premium quality paper combines strength, quality, and appearance, and creates a lasting impression C5 size Self Seal for an instant bond Features a stylish blue opaque to ensure contents remain confidential 250 120gsm bright white paper... more
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  • Plus Fabric C5 Prestige White 120gsm Window P&S Powertac Pocket Box of 500 Envelopes
    Plus Fabric C5 Prestige White ...
    Plus Fabric- Premium quality paper combines strength, quality, and appearance,... Plus Fabric- Premium quality paper combines strength, quality, and appearance, and creates a lasting impression C5 size Power-tac adhesive offers an exceptionally strong seal for superior security & easy open feature for quick opening without damaging... more
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  • Plus Fabric C5 Prestige White 120gsm Self Seal Pocket Box of 500 Envelopes
    Plus Fabric C5 Prestige White ...
    Plus Fabric- Premium quality paper combines strength, quality, and appearance,... Plus Fabric- Premium quality paper combines strength, quality, and appearance, and creates a lasting impression C5 size Self Seal for an instant bond Features a stylish blue opaque to ensure contents remain confidential 500 120gsm bright white paper... more
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  • Triplast 500 x A5 C5 Manilla Hard Board Back Envelopes (229 x 162mm) - Cardboard Backed Please Do Not Bend Envelope with Peel & Seal Strip - Perfect for Mailing, Posting & Storing Important Documents
    Triplast 500 x A5 C5 Manilla H...
    A MAILING ESSENTIAL: These C5 rigid mailers are designed to contain unfolded A... A MAILING ESSENTIAL: These C5 rigid mailers are designed to contain unfolded A5 paper (or A4 paper folded in half) - they're perfect for posting & storing certificates, legal documents, passports, ID cards, photos, artwork, gift cards, currency, etc.... more
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  • Triplast 1000 x A6 C6 Manilla Hard Board Back Envelopes (162 x 114mm) - Cardboard Backed Please Do Not Bend Envelope with Peel & Seal Strip - Perfect for Mailing, Posting & Storing Important Documents
    Triplast 1000 x A6 C6 Manilla ...
    A MAILING ESSENTIAL: These C6 rigid mailers are designed to contain unfolded A... A MAILING ESSENTIAL: These C6 rigid mailers are designed to contain unfolded A6 paper (or A5 paper folded in half) - they're perfect for posting & storing certificates, legal documents, passports, ID cards, photos, artwork, gift cards, currency, etc.... more
    Details
  • Triplast 500 x A6 C6 Manilla Hard Board Back Envelopes (162 x 114mm) - Cardboard Backed Please Do Not Bend Envelope with Peel & Seal Strip - Perfect for Mailing, Posting & Storing Important Documents
    Triplast 500 x A6 C6 Manilla H...
    A MAILING ESSENTIAL: These C6 rigid mailers are designed to contain unfolded A... A MAILING ESSENTIAL: These C6 rigid mailers are designed to contain unfolded A6 paper (or A5 paper folded in half) - they're perfect for posting & storing certificates, legal documents, passports, ID cards, photos, artwork, gift cards, currency, etc.... more
    Details
  • AKAR A5 (C5)- 23x16 cm -229x162mm"Please DO NOT Bend" Printed Manilla Cardboard Backed Please Do Not Bend Envelope with Peel & Seal Strip Board Back Pocket Peel & Seal Envelopes [Pack of 1000]
    AKAR A5 (C5)- 23x16 cm -229x16...
    "DO NOT BEND" WARNING: The prominently displayed "DO NOT BEND" message on the ... "DO NOT BEND" WARNING: The prominently displayed "DO NOT BEND" message on the front serves as a clear reminder to couriers and postal workers to handle your package with care, reducing the risk of mishandling.These envelopes are perfect for a wide... more
    Details
  • Triplast A5 C5 Size 235x180mm Strong Rigid Cardboard Envelopes Postal Mailers (Pack of 500)
    Triplast A5 C5 Size 235x180mm ...
    Perfect for variety of items including CD's, DVD's etc Made partly from recycl... Perfect for variety of items including CD's, DVD's etc Made partly from recycled material and 100% recyclable Aggressive hot melt peel & seel strips - prevents flaps opening in the mail Reinforced corner protection for your items Unique rigid kraft... more
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  • Triplast A5 C5 Size 235x180mm Strong Rigid Cardboard Envelopes Postal Mailers (Pack of 1000)
    Triplast A5 C5 Size 235x180mm ...
    Perfect for variety of items including CD's, DVD's etc Made partly from recycl... Perfect for variety of items including CD's, DVD's etc Made partly from recycled material and 100% recyclable Aggressive hot melt peel & seel strips - prevents flaps opening in the mail Reinforced corner protection for your items Unique rigid kraft... more
    Details
  • Triplast A5 C5 Size 235x180mm Strong Rigid Cardboard Envelopes Postal Mailers (Pack of 200)
    Triplast A5 C5 Size 235x180mm ...
    Perfect for variety of items including CD's, DVD's etc Made partly from recycl... Perfect for variety of items including CD's, DVD's etc Made partly from recycled material and 100% recyclable Aggressive hot melt peel & seel strips - prevents flaps opening in the mail Reinforced corner protection for your items Unique rigid kraft... more
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  • Hard Board Backed Envelopes Peel & Seal Mailing Posting & Storing Documents Manilla Do Not Bend Cardboard Secure Postal Envelope (C6 (162x114mm), 250 Envelopes)
    Hard Board Backed Envelopes Pe...
    Protect your valuable documents and keep them safe during transit with our Boa... Protect your valuable documents and keep them safe during transit with our Board Backed Envelopes. These sturdy and reliable envelopes are designed to provide superior protection against bending, folding, or damage. Each Board Backed Envelope features... more
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