Standard Back Peel and Press Book Pockets, 3-1/2 x 4-1/2 Inches, Manila, Pack of 500

This set includes 500 self-sticking library card sleeves (3-1/2 x 4-1/2 inches) made of manila card stock Each book pocket is easy to attach and recommended for paperbacks Features a durable pocket to hold 3 x 5 inch index cards Completely acid free to help ensure long-lasting performance