Cardinal BasicSelect Round Ring Binder - 1 1/2" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 350 Sheet Capacity - 3 x Round Ring Fastener(s) - 2 Inside Front & Back Pocket(s) - Vinyl - Black - by Cardinal
Reference binder features back-mounted rings for a clean professional spine. XtraLife hinge provides durability. Back-mounted design allows sheets to lie flat. Steel, nonlocking round rings also have dual opening and closing triggers for easy sheet removal and insertion of your letter-size papers. 1-1/2" ring capacity accommodates up to approximately 350 letter-size sheets. Two horizontal pockets on the front and back covers secure loose, unpunched documents. Each pocket holds 40 sheets. Design also includes exposed rivets and a sturdy chipboard core. Binder is made with a high percentage of recycled post-consumer material.