Clasp & Catalog Envelopes

Keep mail safe by using these Quality Park Survivor open-end self-seal-closure expansion mailers with 14-pound Tyvek material.

Secure and protect items while in transit with these open-end expansion mailers. Made with 14-pound Tyvek material, these mailers withstand harsh weather conditions, stand up to extensive handling and resist tears, moisture, and other damage. These Quality Park Survivor open-end mailers have an expandable design, accommodating bulky items, and feature a self-seal FlapStick closure, ensuring contents stay safely inside.

Quality Park Flap-Stick® Lightweight Tyvek® Open-End Expansion Envelopes, 12" x 16" x 2", White, 100/Ct

JAM Paper® 9 x 12 Open End Envelopes are perfect for personal mail, business mailings, greeting cards, announcements, and so much more!

Are you looking for the right envelopes in which to send documents, flyers, files, packets, or booklets from your office or home? You cannot go wrong with JAM Paper® Brown Kraft 9 x 12 Open End Envelopes. These envelopes are made out of smooth, 28lb paper and measure 9 x 12 inches, a size that makes them ideal for sending standard sized sheets of paper. This pack contains an even total of 50 envelopes! Each one features a basic and versatile brown craft color and closes with a straight flap and a secure gum closure. These reliable envelopes are optimal for mailing business documents, formal letters, applications, manuscripts, and much more!