Tyvek Pocket Envelope C5 229 x 162mm Peel and Seal White Pk 100 551024

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 C5 envelopes measure 229 x 162mm and are 100% recyclable. This pack contains 100 envelopes.