Gusset envelope designed to be water and tear resistant
Made of 100% high density polyethylene fibres (HDPE)
Extra strong hot melt peel and seal closure
Size: E4 (406 x 305 x 50mm)
Pack of 100
These Tyvek envelopes are made from 100% recyclable, high density polythene fibres (HDPE), which is tear and water resistant for extra security in transit. These envelopes have an expanding 51mm gusset and extra strong hot melt peel and seal closure. These lightweight, flexible envelopes measure 406 x 305mm. This pack contains 100 white envelopes.