Say goodbye to page jamming and curling and hello to smooth page turning with this binder's D-Ring mechanism. D-Ring design means you can store 25% more documents in this binder than a comparable one fitted with round rings. Open and close triggers effortlessly for fast access to binder contents. Identify the material you need fast when you spot this binder's handy spine label. Front cover folds back to create a compact, rigid "mobile desktop" for note-taking on-the-fly. Maximum Capacity Range ("): 1 1/2 in; Sheet Capacity: 350; Color(s): Black; Binder Sheet Size: 11 x 8 1/2.