TYVEK & Tear-Resistant Envelopes

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Tyvek Envelopes are super strong, moisture-resistant and tear-resistant. ...
Description:
Tyvek Envelopes are super strong, moisture-resistant and tear-resistant. Tyvek expansion is ideal for superior protection for mailing bulky items. These plain envelopes feature an open-end design for easy insertion of documents. Convenient peel-to-seal closure requires no moisture to close.
Expansion envelopes with heavyweight Tyvek offer superior protection ...
Description:
Expansion envelopes with heavyweight Tyvek offer superior protection for mailing bulky items which are not too heavy. Ideal replacement for costly box or carton. First-class envelopes feature open-side style and convenient Flap-Stik closure. Envelopes made of DuPont Tyvek won't rip, ...
Mailing envelopes feature white opaque, co-extruded polyethylene film ...
Description:
Mailing envelopes feature white opaque, co-extruded polyethylene film for extra tear-resistant strength. Poly material is virtually waterproof. Envelopes feature double perforations for easy opening and tamper-evident, Redi-Strip adhesive closure.Moisture- and tear-resistant.. Redi-Strip™ closure.