Office Depot Brand Heavy-Duty View Binder, 3" Rings, 54% Recycled, Teal Back-mounted rings for pages that lie flat. Cover made of PVC-free, nonstick polypropylene for durability. EasyOpen locking D-rings simplify adding pages and helps keep pages secure. 4 clear interior stacked pockets provide storage for loose papers. Clear pocket inserts in the front, back and spine provide simple customization options.