Slant-D ring view binder features clear overlays on the front, back and spine to allow easy insertion of custom title sheets. Nonlocking, Slant-D rings hold 25 to 50 percent more than conventional, metal round rings. Back-mounted steel rings provide a clean professional spine and reduce wear. 4" expansion holds approximately 835 sheets. Binder also offers a vinyl cover, sturdy chipboard core, exposed rivets and horizontal pockets inside the front and back covers to hold loose documents. Each pocket holds 40 sheets. Binder is made with a high percentage of recycled material.