Cardinal CRD90320 Round Ring Binder with 2 Pockets 1.5 in. Cap. Black
Durable reference binder features XtraLife Hinge to prevent tearing along seams. Steel round rings are equipped with dual opening and closing triggers for easy sheet removal and insertion. Spine-mounted rings are nonlocking. Horizontal pockets inside the front and back covers are perfect for storing loose documents. Each pocket holds 40 sheets. Cover is made of a MicroFine suede vinyl finish material. Letter-size binder also features exposed rivets and a sturdy chipboard core. Binder is made with a high percentage of post-consumer material.
Cardinal CRD90320 Round Ring Binder with 2 Pockets 1.5 in. Cap. Black Review
Like all the Cardinal products, this one does not disappoint. It's more expensive than other brands, but what you get is a good solid all around binders.