Ruby Paulina 515960 11x17 1-Inch Angle-D Ring Vinyl View Binder - Red Holds up to 140 sheets of 11x17 Documents and Drawings 24lb Heavy duty ring design allows paper to rest flat on back panel Thicker materials allows for maximum shelf life and durability Clear outside pockets (3-sides) open on short side so paper doesn't fall out, or let dust in Angle D Ring holds more paper than conventional round ring