Basic D-Ring View Binder offers a clear, nonglare overlay on the front cover, back cover and spine for easy customization and identification. Slant-D rings hold 40 percent more paper than traditional binders. Back-mounted metal rings allow pages to lie flat. Two triggers on the ring mechanism provide easy access to your documents. 4" capacity holds up to 835 sheets. Clear pockets on the inside covers offer extra document storage with a 30-sheet capacity for each pocket. Design also features a sturdy chipboard core and exposed rivets. Three-ring binder is made of polypropylene.