Tyvek Pl/Sl Env B4A 330X250 Wh Pk100 - TY02262

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 330 x 250mm and are 100% recyclable

This pack contains 100 envelopes