Tyvek C4 Open End Gusset Envelope 324x229mm C4 Sup

The unique fibre structure of Tyvek Security Envelopes, developed by DuPont, is tear and water resistant for extra security during transit. The envelopes also feature an extra strong hot melt peel and seal closure and are lightweight to help keep postage costs down. These envelopes measure 324 x 229mm and are 100% recyclable. This pack contains 100 envelopes. Security envelope designed to be water and tear resistantMade of 100% high density polyethylene fibres (HDPE)Extra strong hot melt peel and seal closureSize: C4 (324 x 229mm)Colour: whitePack of 100