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PostSafe Grey Peel & Seal Poly Envelopes

£3.49£31.25 Inc Tax

PostSafe Grey Peel & Seal Polythene Envelopes.?Cheaper, lighter and stronger – PostSafe envelopes are ideal to use in shipping your products or documents.


PostSafe Grey Peel & Seal Polythene Envelopes

Strong Grey Polythene Opaque Mailing Bags by PostSafe

Our lightweight Strong Polythene Opaque Mailing Bags provide a flexible, secure solution for mailing a variety of items. The durable mailing bags are tear resistant and feature a simple, secure peel and seal closure, and opaque exterior preventing visibility of items whilst in transit.

All of our Poly Mailers are produced in the UK and are designed to fulfil all your Postal needs.

All our prices are inclusive of VAT


  • From as little as 4p per mailer
  • Tough and strong plastic envelopes for extra protection
  • Weather, tear and puncture resistant
  • (235mm x 345mm) Ideal envelope for shipping magazines
  • Easy to write on surface, accepts stamps, franking and labels
  • Extra large mailing bag available in this style (850mm x 1050mm)



PostSafe Grey Polythene envelopes are strong, less expensive than paper envelopes and cardboard boxes. The light weight reduces postage costs. The flexible structure wraps around the envelope contents and saves space – simple to use with peel and seal closure.

We utilise a minimum of 30% Recycled LDPE4 (Low-Density Polyethylene) film in our mailing bags.
Our products are recyclable and can be used as PCR (Post Consumer Recycled Resin) when processed in the appropriate manner.

All our polythene envelopes are approved by Royal Mail.

Additional information



Envelope Size

165mm x 240mm, 230mm x 320mm, 235mm x 345mm, 335mm x 430mm, 550mm x 750mm, 850mm x 1050mm

Quantity per Pack

100, 50, 500

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