100% Recycled Biodegradable Mailing Bag
250mm wide x 350mm long, 40 micron thickness (Medium)
From £19.06 per 200
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Eco-friendly Solid Board Expandable Envelopes

Embrace sustainable shipping with our eco-friendly solid board expandable envelopes. These versatile mailers, inspired by Amazon's design, offer a smart alternative to traditional packaging. Expandable side gussets allow you to ship items flat in a rigid envelope or expand it into a sturdy box, reducing waste and optimising space. Popular with environmentally-conscious e-commerce businesses, these paperboard postal cartons are 100% recyclable, contributing to a circular economy.

  • Flexible, eco-conscious packaging solution for mail and courier services.
  • Adjustable dimensions to minimise packaging material.
  • Integral peel & seal strip for quick & simple closure.
  • Rip-strip for easy, frustration-free opening.
  • Crafted from fully recyclable solid cardboard.
  • Available in a range of sizes, from A5 to Extra Large, to suit various product needs.

There are 5 sizes/products in this category:

Quantity: Cost? Compare Cost Compare
MCB01 Expandable Cardboard Envelope - A5
235mm wide x 180mm long (flat) / 195mm wide x 140mm long x 40mm deep (expanded)
Quantity: Cost? Add
Order Quantity No. in pack Price per pack Price per 1000
50+ 50 £10.65 £213.00
250+ 50 £9.69 £193.80
500+ 50 £9.01 £180.20
1000+ 50 £6.50 £130.00
 
MCB02 Expandable Cardboard Envelope - Small
292mm wide x 194mm long (flat) / 252mm wide x 152mm long x 40mm deep (expanded)
Quantity: Cost? Add
Order Quantity No. in pack Price per pack Price per 1000
50+ 50 £11.33 £226.60
250+ 50 £10.20 £204.00
500+ 50 £9.59 £191.80
1000+ 50 £7.01 £140.20
 
MCB03 Expandable Cardboard Envelope - A4
334mm wide x 234mm long (flat) / 294mm wide x 194mm long x 40mm deep (expanded)
Quantity: Cost? Add
Order Quantity No. in pack Price per pack Price per 1000
50+ 50 £13.78 £275.60
250+ 50 £12.40 £248.00
500+ 50 £11.66 £233.20
1000+ 50 £8.10 £162.00
 
MCB04 Expandable Cardboard Envelope - Large
352mm wide x 249mm long (flat) / 312mm wide x 209mm long x 40mm deep (expanded)
Quantity: Cost? Add
Order Quantity No. in pack Price per pack Price per 1000
50+ 50 £16.84 £336.80
250+ 50 £15.16 £303.20
500+ 50 £14.25 £285.00
1000+ 50 £11.15 £223.00
 
MCB05 Expandable Cardboard Envelope - Extra Large
400mm wide x 278mm long (flat) / 360mm wide x 238mm long x 40mm deep (expanded)
Quantity: Cost? Add
Order Quantity No. in pack Price per pack Price per 1000
50+ 50 £18.75 £375.00
250+ 50 £16.88 £337.60
500+ 50 £15.86 £317.20
1000+ 50 £12.40 £248.00
 
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White Biodegradable Vest Carrier Bag - Medium
10/15" wide x 18" high x 10 micron (Medium)
From £40.14 per 2000
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