JAM Paper Aluminium 1 inch Binders - Black Aluminum 3 Ring Binder - Sold Individually Color: Black Aluminum | Be stylish and organized with colorful binders. Size: 1" Width | Holds up to 175 sheets of paper. Quantity: Sold Individually | Made to be long lasting and resist tearing or bending, easy to clean. Wide front and back binder panels fully cover standard dividers and sheet protectors. Our 3 metal ring binders have 2 buttons for easy opening and closing, and a convenient pocket on the inside flap. This document holder is a staple for all of your projects, assignments, memos, school work, and any other important documents that need to be kept safe.