Perfect when extra security is required.

White opaque or NEW clear security polythene envelopes made from 100% polythene and designed to avert all known methods of attack including solvents.
Double Seal & Peel & Seal closure. Displays TAMPER EVIDENT MESSAGE when opened.
Sequentially numbered for tracking and tracing.
Ideal for use by: Banks, Security Services, Accountants, Legal, Police, Prisons, Councils
or anyone who needs to protect sensitive contents.
Easy to write on surface. Accepts handwriting, stamps or franking.
Weatherproof, Burstproof, Tear and Puncture Resistant
Royal Mail approved Pricing in Proportion sizes.