Business Source Heavyweight Sheet Protectors - 3.3 mil Thickness - For Letter 8 1/2" x 11" Sheet - 3 x Holes - Clear - Polypropylene - 200 / Box

Durable, top-loading sheet protectors hold letter-size inserts without punching. Printed materials do not stick or lift off this specially formulated polypropylene material. Heavyweight design features a reinforced strip at binding edge and three-hole punched side.