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By Royal Appointment to HM The Queen. BSI Certified FM31516

Clear Biodegradable Bag
229mm x 305mm x 37.5 micron (9" x 12" x 150 gauge)
From £30.84 per 1000
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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...

M-Range Expandable Mailers

Corrugated cardboard mailers offering sturdy but lightweight protection to contents. These postal cartons have expandable side gussets so that you can adjust their width, length and depth to just the right size to fit - and protect - contents. Send flat as a rigid envelope, or quickly pop out into a cardboard box. Also known as capacity mailers, book boxes or postal M-folders, these popular mailers are widely used by e-commerce retailers everywhere - including Amazon - and are fully recyclable.

  • Unique and flexible mailing solution - suitable for sending items via mail or courier.
  • Adjust the size & shape of the package to suit contents.
  • Integral peel n' seal strip for super-quick sealing.
  • Simple to open with a quick and easy rip-strip.
  • 125K/T board grade.
  • 100% recyclable product.
  • Suitable for kerbside collections and regular paper recycling points.
  • Range of sizes available: M1 - M4

There are 4 sizes/products in this category:

Quantity: Cost? Compare Cost Compare
MCEM1 M1 Expandable Cardboard Envelope
228mm wide x 294mm long (flat) / 155mm wide x 219mm long x 70mm deep (expanded)
Quantity: Cost? Add
Order Quantity No. in pack Price per pack Price per 1000
25+ 25 £14.95 -
125+ 25 £12.77 -
250+ 25 £10.41 -
500+ 25 £6.75 -
 
MCEM2 M2 Expandable Cardboard Envelope
239mm wide x 325mm long (flat) / 165mm wide x 250mm long x 70mm deep (expanded)
Quantity: Cost? Add
Order Quantity No. in pack Price per pack Price per 1000
25+ 25 £16.75 -
125+ 25 £13.79 -
250+ 25 £11.24 -
500+ 25 £7.25 -
 
MCEM3 M3 Expandable Cardboard Envelope
280mm wide x 356mm long (flat) / 205mm wide x 285mm long x 70mm deep (expanded)
Quantity: Cost? Add
Order Quantity No. in pack Price per pack Price per 1000
25+ 25 £18.09 -
125+ 25 £14.89 -
250+ 25 £12.14 -
500+ 25 £8.75 -
 
MCEM4 M4 Expandable Cardboard Envelope
324mm wide x 382mm long (flat) / 250mm wide x 312mm long x 70mm deep (expanded)
Quantity: Cost? Add
Order Quantity No. in pack Price per pack Price per 1000
25+ 25 £19.54 -
125+ 25 £16.09 -
250+ 25 £13.11 -
500+ 25 £10.25 -
 
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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.

Clear Carrier Bag - Medium
375mm wide x 450mm high x 30 micron thickness, 75mm bottom gusset
From £21.38 per 500
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100%-Recycled Mailing Bags
Bio and 100%-recycled mailing bags in low quantity handypacks.
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