Quality Park QUAR1660 Survivor 10 x 15 Tyvek Catalog Mailer with Self Sealing Closure, 14 lb Puncture, Tear and Moisture Resistant DuPont Tyvek Envelopes, 100 per Box (R1660),White

Patented release strip makes these open-end catalog envelopes easy to open.

Convenient Flap-Stik closure does not require moisture to seal.

Envelopes are 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.