Pin-Lock gap free locking D-ring makes it easy to open, close, and load paper, while keeping documents secure. Customize the front and spine with a single sheet of paper. A second 8.5" x 11" sheet can customize the entire front cover. Double hinged front cover saves space on shelf. Contains a minimum of 36% post-consumer recycled material. Features ink-transfer resistant overlay and interior front and back cover pockets. Polypropylene material.