JAM PAPER Tyvek Tear-Proof Open End Catalog Envelopes - 10 x 13 - Black - 25/Pack

JAM Paper Black 10 x 13 Heavy Duty Tyvek Open End Catalog Envelopes are made out of smooth, 10% recycled, certified Tyvek material. Tyvek is a registered trademark of DuPont, the established company responsible for developing this durable polymer. It is composed of high-density polyethylene fibers, a synthetic material that is extremely hard to rip and tear. These envelopes feature a jet black color that gives them an appearance suited to both personal and business mailing purposes. This pack contains 25 envelopes. Each one measures 10 x 13 inches in size, making them ideal for enclosing standard sized and slightly larger documents with no need for folding. These envelopes have straight flaps and secure self-adhesive strip closures. Size: 10in x 13in | Color: Black | Quantity: 25/pack