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Clear Biodegradable Bag
254mm x 381mm x 37.5 micron (10" x 15" x 150 gauge)
From £35.59 per 500

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Expandable Cardboard Envelope - Large

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MCB04 Expandable Cardboard Envelope - Large

352mm wide x 249mm long (flat) / 312mm wide x 209mm long x 40mm deep (expanded)

Large Amazon-style solid paperboard envelope with expandable side gussets for simple conversion into a cardboard box. Also known as a capacity mailer or book mailer. 100% recyclable. Boxed in 50's.

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Order Quantity	No. in pack	Price per pack	Price per pack	Price per 1000
		(Inc. VAT)	(Ex. VAT)	(Ex. VAT)
50+	50	£20.21	£16.84	£336.80
250+	50	£18.20	£15.16	£303.20
500+	50	£17.10	£14.25	£285.00
1000+	50	£13.38	£11.15	£223.00

Large expandable cardboard mailer - product features

An innovative and shape-shifting postal solution.
Easily switch between a flat envelope and a full box, or any intermediate form.
Quick and secure sealing with the peel & seal strip, and rapid opening with the rip-strip.
Durable, non-corrugated cardboard offers robust, lightweight protection.
Suitable for a wide range of retail and e-commerce businesses.
Adjustable dimensions to provide a custom fit for your products.
Gusset expansion increases depth while adjusting width and/or length.
Ideal for shipping larger items efficiently through mail or courier.
Often called a capacity mailer, book mailer, or book box.
Complies with Royal Mail's 'Large letter' or 'Small parcel' size specifications - see below.
Fully recyclable, making it a sustainable packaging choice.