Made from 100% recycled material
Lite one
Hassle free recycling
Efficient solution to PiP boxes
Biodegradable and compostable once glue strip is removed.
The expandable envelope is perfect for paperwork, and medium package items such as t-shirts and other items.
The envelope comes with an easy-peel & seal closure strip making packaging quick and efficient for the sender and an easy tear open strip for the receiver.
Rigid design also offers more protection than the standard mailer.

Material Composition:	100% Recycled Kraft Paper
Recommended Storage Temperature	13-21°C (55.4°F – 69.8°F) for optimum performance.
Recyclable?	Yes (With glue strip removed)
Biodegradable?	Yes
Compostable?	Yes
GSM	370gsm
Royal Mail Compatibility	Large letter & Small parcel

Expandable Envelopes

£23.27

Select size

Product variants

Expandable Envelope Size Guide

Size	Length (mm)	Width (mm)	Qty / Pack
Expand C5	234	178	100 pcs
Expand C5L	291	194	100 pcs
Expand C4	333	233	100 pcs
Expand C4L	349	249	100 pcs

Quantity

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Made from 100% recycled material
Lite one
Hassle free recycling
Efficient solution to PiP boxes
Biodegradable and compostable once glue strip is removed.
The expandable envelope is perfect for paperwork, and medium package items such as t-shirts and other items.
The envelope comes with an easy-peel & seal closure strip making packaging quick and efficient for the sender and an easy tear open strip for the receiver.
Rigid design also offers more protection than the standard mailer.

Material Composition:	100% Recycled Kraft Paper
Recommended Storage Temperature	13-21°C (55.4°F – 69.8°F) for optimum performance.
Recyclable?	Yes (With glue strip removed)
Biodegradable?	Yes
Compostable?	Yes
GSM	370gsm
Royal Mail Compatibility	Large letter & Small parcel