Business Source Basic Round Ring Binder - 1" Binder Capacity - 8 1/2" x 5 1/2" Sheet Size - 240 Sheet Capacity - 3 Ring - Fastener: Round Ring - Pocket: Inside Front & Back - Chipboard, Polypropylene - Black - Open and Closed Triggers, Exposed Rivet, S...

Basic round-ring binder features two triggers on the ring mechanism that provide easy access to your documents. Back-mounted metal rings allow pages to lie flat. 1" capacity holds up to 240 sheets. Clear pockets inside front and back covers offer extra document storage with a 30-sheet capacity for each pocket. Design also features a sturdy chipboard core and exposed rivets. Three-ring binder is made of polypropylene.