Roundring view binder offers crystalclear, nonglare overlays to customize the covers and spine for your lettersize presentations Backmounted metal rings allow pages to lie flat 3 capacity holds up to 625 sheets Clear pockets on the inside covers offer extra document storage with a 30sheet capacity for each pocket Design also features a sturdy chipboard core and exposed rivets Binder is made of polypropylene for durability and resilience