Keep everything safe and clean over time with an acid-free, archival-safe poly binder. Customizable nonstick clear overlay will not lift copy from cover inserts or contents. Documents remain secure with D-Rings that hold 25% more than standard round rings. Built to lastï¿½heavy-duty construction. Two clear inside pockets for additional storage of loose papers. Maximum Capacity Range ("): 3 in; Sheet Capacity: 600; Color(s): Black; Binder Sheet Size: 11 x 8 1/2.