Sold as 100/Box. Top loading--no need to punch inserts. Clear binding edge for a professional look. Protects 8 1/2" x 11" insert sheets. Nonstick sheet protector won't lift print off inserts. Inserts can be easily inserted from top so no need for hole punching. Sheet protector features a reinforced binding edge and is made from a polypropylene material. Protects 8-1/2" x 11" insert sheets. Acid-free. Archival-safe.