Universal 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. Front cover folds back to create a compact, rigid “mobile desktop” for note-taking on-the-fly. This product was made from wood that came from a certified managed forest. Capacity range [max]: 5″; sheet capacity: 1,050; color(s): black. this product arrives to most customers in 2-3 business days.