http://www.furniturerig.com/item/14616/samsill-antimicrobial-insertable-round-ring-binder/ Samsill Corporation Report Covers SAM18237 View binder features the AgION antimicrobial additive that prevents the growth of bacteria, mold and fungus. Locking round ring mounted on back lid allows pages to lie flat and reduce wear. Design features clear overlay to customize front, back and spine for presentation or document storage. Binder also offers two clear inside pockets. Round rings secure 11 x 812 sheets. Binder is made with 45 percent postconsumer recycled material.Packaged Quantity 1 EachProduct Type Ring BinderBinder Capacity 1Sheet Capacity 175Sheet Standard LetterSheet Size 8.50 x 11Grip Type RingRings 3 x Round Shape 1 CapacityPockets 2 Internal ClearAccessibility Book FoldApplicationUsage PresentationDocument Locking RingClear OverlayBack MountedColor WhiteWeight (Approximate) 1.08 lbRecycled YesRecycled Content 49%Postconsumerwaste% 45%Assembly Required No