Wilson Jones Premium Single Touch Locking D-Ring Binder, 3-Inch Capacity, 8.5 x 11 Inch Sheet Size, Black (W86631H) Single-Touch ring trigger opens with a simple touch of a finger. EasySpine(TM) insert sleeve keeps spine from ripping or folding. No-Gap(TM) locking feature keeps pages from falling out. Print Won't Stick covers resist ink and toner transfer for a perfect appearance over time, every time. 3 Inch Capacity, holds up to 670 sheets