Heavyweight bond for added strength. Three-hole punched for use in standard three-ring binders. Ultra thin Rip-Proof? film on binding edge prevents sheets from pulling out at ring binder holes?perfect for active records. For use in plain paper copiers and offset presses. Size: 8 1/2 x 11; Paper Color(s): White; Paper Weight: 20 lb; Sheets Per Unit: 100.