Prevents distracting glare, especially in fluorescent light. Special design allows easier insertion of pages while keeping documents secure. Acid-free, archival-safe, nonstick material won't lift print off inserts. Three-hole punched, allowing you to store unpunched inserts. Stock up and save! Load Orientation: Top; Sheet Capacity: 10; Sheet Protector Type: Ring Binder; Insert Size: 8 1/2 x 11.