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Envelopes 1347 Offer(s)
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 expandi...
Tyvek Envelope 381x254mm White 51mm Gusset Pk 100
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 ...