Office Depot EasyOpen(R) ClearVue(TM) Locking Slant-D Ring Binder, 3in. Rings, Letter Size, 57% Recycled, Blue, OD10332 Earned the "Ease-of-Use" Commendation from the Arthritis Foundation EasyOpen rings open, close and lock with one touch. D-shape rings can hold 25% more pages than standard round-ring binders. Nonglare cover is ink/toner transfer safe. Heavy duty construction for lasting durability.