Survivor Tyvek USPS First Class Mailer 12 x 15 1/2 White 100/Box R1800

Patented release strip makes these open-end catalog envelopes easy to open. Convenient Flap-Stik closure does not require moisture to seal. First-class envelopes made of DuPont Tyvek won't rip, tear or puncture. They are much stronger and more secure than traditional paper envelopes. Water-resistant and moisture-resistant envelopes are lightweight to save on postage costs. Envelopes are easy to use. Simply peel and seal. • For bulky mailings that need extra protection. • Convenient Flap-Stik closure. • Tyvek provides extra protection from punctures, tears and moisture. • Envelopes made of DuPont Tyvek won't rip, tear or puncture. • Much stronger and more secure than traditional paper envelopes. • Water and moisture resistant. • Lightweight to save on postage costs. • Environmentally safe Tyvek contains 25% post-consumer recycled content. • Patented release strip makes envelopes easy to open. • Release strip is easily accessible, yet maintains security of contents. • Flap-Stik closure requires no moisture to seal. • Keeps your mail protected against bad weather, spills and rough handling. • Sold as 100/Box.

Sold as 100/Box. For bulky mailings that need extra protection. Much stronger and more secure than traditional paper envelopes. Patented release strip makes envelopes easy to open. Convenient Flap-Stik closure. Water and moisture resistant. Release strip is easily accessible, yet maintains security of contents. Tyvek provides extra protection from punctures, tears and moisture. Lightweight to save on postage costs. Flap-Stik closure requires no moisture to seal. Envelopes made of DuPont Tyvek won't rip, tear or puncture. Environmentally safe Tyvek contains 25% post-consumer recycled content. Keeps your mail protected against bad weather, spills and rough handling.