Universal Top-Load Poly Sheet Protectors, Economy, Letter, 100/Box – UNV21130. Three-hole punched for 8 1/2 x 11 inserts. Reinforced edge withstands constant use in binders without tearing. No photocopy transfer; archival-quality. Loads from the top. Load Orientation: Top; Sheet Capacity: 2; Sheet Protector Type: Ring Binder; Insert Size: 8 1/2 x 11. Top-Load Poly Sheet Protectors, Letter, 100/Box