Wilson Jones 367-44 Century Molded Plastic Ring Binder, 11 X 8-1/2, Metal Hinges, 2 Cap, Black Binder with DublLock locking round rings, piano hinge and a label holder. DublLock round ring mechanism keeps rings locked and aligned. Sturdy piano-style metal hinge won't split or fall apart. Includes label holder with white inserts for easy identification. Heavy-duty thermoplastic cover with textured finish.