PostSafe ExtraStrong Peel & Seal DX and Polythene Mail Order polythene Bags/Envelopes

White Opaque or Clear mail order & DX bags/ polythene envelopes made from 100% polythene.
Perfect polythene envelopes for heavier weight items - Catalogues, Files, Printouts, Textiles, Lever Arch Files.
Secure peel & seal closure. Larger sizes feature double seal.
Lightweight. Saves on postage costs.
Plythene envelopes Weatherproof, Burstproof, Tear and Puncture Resistant.
Easy to write on surface. Accepts handwriting, stamps or franking.
Polythene Envelopes accept deeper items easily, no need for a gusset.
Royal Mail approved Pricing in Proportion sizes.