Business Source Basic Round Ring Binders – 1 1/2″ Binder Capacity – Letter – 8 1/2″ x 11″ Sheet Size – 350 Sheet Capacity – 3 x Round Ring Fastener(s) – Inside Front & Back Pocket(s) – Chipboard, Polypropylene – Green – Exposed Rivet, Sturdy, Open and Closed Triggers – 4 / Bundle