Envelopes

Tyvek B4A Envelope 330x250x38mm Gusset Peel and Seal White (Pack of 100) 756524 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 38mm gusset and extra strong hot melt peel and seal... Tyvek B4A Envelope 330x250x38mm Gusset Peel and Seal White (Pack of 100) 756524