PostSafe Extra Strong Peel & Seal Polythene Envelopes

£2.57£44.45 Exc Tax

Postsafe EXTRASTRONG polythene envelopes are available in retail packs, P25M, P26M, P28M and P32M in smaller pack sizes which are ideal for CDU display.



Cheaper, light and stronger – PostSafe envelopes are ideal for any mail order, online or eBay business.

All envelopes have secure peel & seal closure
Available in clear with write on panel (P24 & P30)
White Opaque envelopes made from 100% polythene
Weatherproof, burst proof, tear and puncture resistant envelopes
Easy to write on surface
Accepts handwriting, stamps or franking
Saves on postage costs
Royal Mail approved “Pricing in Proportion sizes”
Secure peel & seal closure
Clear envelopes made from 100% polythene
100% recyclable envelopes
Postsafe polythene envelopes are manufactured to the highest quality standards in the UK. Polythene envelopes are strong, less expensive than paper envelopes and cardboard boxes, and the light weight reduces postage costs. All products are weatherproof, tear resistant, and 100% recyclable. The flexible structure wraps around contents and saves space – simple to use with peel and seal closure. All our products are approved by Royal Mail.

Additional information


Clear with Panel, Opaque

Envelope Size

165mm x 240mm, 240mm x 320mm, 335mm x 430mm, 400mm x 430mm, 440mm x 320mm, 460mm x 430mm, 595mm x 430mm, 600mm x 700mm, 850mm x 700mm

Quantity per Pack

10, 100, 20, 50