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 locking D-Rings that hold 25% more than standard round rings. Built to last--heavy-duty construction. Two clear inside pockets for additional storage of loose papers. Environmentally friendly and recyclable. Binder Type: Ring Binder; Binder Style: View; Capacity Range ("): 0 in - 5 in.