Cardinal SuperStrength ClearVue Premium Locking Slant-D Ring Binder, 2 Inch, White (10500V3) Extra-firm locking mechanism to prevent spills and eliminate all gaps Easy-to-grasp oversized trigger Patented Expand-A-Pocket in back holds an additional 1/2 inch stack of paper DataGuard inside pocket protects documents from ring impressions Clear overlay for customization on all three sides