Business Source Sheet Protectors - 3.3 mil Thickness - For Letter 8 1/2" x 11" Sheet - 3 x Holes - Ring Binder - Top Loading - Rectangular - Clear - Polypropylene - 50 / 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. Design features a reinforced strip at binding edge and three-hole punched sides. Die-cut corners on ring side allow heavyweight pages to turn freely. Oversized ring binders and indexes are sold separately.