Cardinal Premier Easy Open 11-Inch x 17-Inch Locking Slant-D Ring Binder, 3-Inch, Black (12142V3) ONE-TOUCH Easy Open rings open, close and lock with one simple motion Store 11-inch x 17-inch documents Slant-D rings hold 25% more than standard round rings Awarded the Ease-of-Use Commendation from the Arthritis Foundation Cover board made from 100% recycled fiber with at least 98% post-consumer fiber