QUAR1790, Quality Park Survivor Tyvek Plain Envelopes QUA R1790

Quality Park TYVEK & Tear-Resistant Envelopes: Quality Park R1790 Tyvek Open-End Envelope, Plain, 12'' x 15-1/2'', 100/BX, White, QUAR1790, 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. Lightweight to save on postage costs. Easy to use. Peel and seal. Environmentally safe. UPC 85227117908