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By Royal Appointment to HM The Queen. BSI Certified FM31516

Heavy Duty Grip Seal Bag
7" x 10" x 350 gauge
From £45.41 per 100
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Reinforce your brand on all your packaging
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Mailing Bags with Printed Designs
Mailing Bags with Printed Designs
An exclusive set of designer printed mailers in handy pack sizes.
Our Budget Grip Seal Bags are a cheaper thinner range of the handy resealable bags (with the option of write-on-panels to easy label and catalogue their contents)
Budget Grip Seal Bags
Ideal for sorting
and storing things!
In Grip Seal Bags...

I'm Green Clear Mailing Bag - C3

MAILSUSC3 I'm Green Clear Mailing Bag - C3
330mm wide x 440mm length, 40 micron thickness (C3 for A3)
C3 size (to fit A3) clear poly mailing envelope with permanent seal, made from a renewable I'm Green polythene that is carbon-neutral. With peel-and-seal easy sealing strip. Boxed in 1000's.
Quantity: Cost? Add
Order Quantity No. in pack Price per pack Price per pack Price per 1000
(Inc. VAT) (Ex. VAT) (Ex. VAT)
500+ 500 £66.74 £55.61 £111.22
2500+ 500 £61.50 £51.25 £102.50
5000+ 500 £56.28 £46.90 £93.80
12500+ 500 £50.39 £41.99 £83.98

C3 size I'm Green clear mailing bag - features

  • Proudly display your mail-shot contents - perfect for large brochures, catalogues or promotional material.
  • C3 bags fit A3 material.
  • Mailing bags are strong, lightweight and waterproof.
  • Protect the postal contents whilst keeping costs down.
  • Easy sealing with integral self-adhesive peel and seal strip.
  • Eco-friendly product - made from 95% renewable I'm Green polythene for a favourable carbon footprint (details below).
  • Can be recycled alongside traditional polythene in regular recycling streams.
  • Eco-credentials printed on the bag (3 logos) plus a QR code to our recycling locator tool.

C3 (for A3) I'm Green mailing bag - dimensions

  • Internal width: 330mm (13")
  • Internal length: 440mm (17")
  • Polythene thickness: 40 micron (160 gauge)
  • Box quantity: 500 bags

Key facts about I'm Green polythene

  • Innovative eco-friendly material.
  • Manufactured using ethanol derived from renewable sugar cane rather than traditional fossil fuels such as oil or gas.
  • Offers the same strength, flexibility and versatility as traditional polythene, but with a lower environmental impact.
  • Carbon neutral for a favourable carbon footprint.
  • 95% renewable content share.
  • 100% recyclable - recycle alongside conventional polythene.
  • Huge range of products - look for the I'm Greenlogo as you shop.
  • Can't find exactly what you need in stock? Get an I'm Green product made to order.

See more sizes in this range



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Polybags Ltd is ranked #1 when compared to all other companies in TrustPilot's category "Packaging". See a live feed of more independent Google & Trustpilot reviews here.

Grip Seal Bag + WOP
2.25" x 2.25" x 200 gauge
From £10.40 per 100
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100%-Recycled Mailing Bags
Bio and 100%-recycled mailing bags in low quantity handypacks.
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