SlantD ring view binder features clear overlays on the front, back and spine to allow easy insertion of custom title sheets Nonlocking, SlantD rings hold 25 to 50 percent more than conventional, metal round rings Backmounted 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