Products › SuperStrong
Polythene envelopes
The strongest and lightest Peel & Seal polythene envelopes
on the market.
- White Opaque envelopes made from 100% polythene.
- Looks and feels like paper.
- Larger sizes feature double seal for Extra security.
- Weatherproof, Burstproof, Tear and Puncture Resistant.
- Easy to write on surface. Accepts handwriting, stamps or franking.
- Saves on postage costs.
- Envelopes accept deeper items easily, no need for a gusset.
- Royal Mail approved Pricing in Proportion sizes.
- Postprint overprinted minimum quantity 1,000.