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 round rings and heavy-duty construction. Two clear inside pockets for additional storage of loose papers. Environmentally friendly and recyclable. Maximum Capacity Range ("): 4 in; Sheet Capacity: 575; Color(s): Black; Binder Sheet Size: 11 x 8 1/2.