Quality Park, QUAR1790, Flap-Stik Open-end Envelopes, 100 / Box, White

Patented release strip makes envelopes easy to open White Tyvek envelope with Flap-Stik closure Puncture-resistant, tear-resistant, moisture-resistant and chemical-resistant 100 / Box Size: 12" x 15-1/2"You may also like "Redi-Strip Catalog Envelope, #13 1/2, Cheese Blade Flap, Redi-Strip Closure, 10 X 13, White, 100/box | Bundle of 5 Boxes".