Pendaflex COLUMBIA Recycled Binding Cases, 3 1/8 inch Cap, 11 x 8 1/2, KraftBasic Strength—For light-duty stacking and storing Pull out binder for reference, slide into case for storage. Fiberboard with metal arch rings (2 3/4" c. to c.). Adjustable compressor. Sleeve & drawer lid closure. Paper made entirely of recycled fiber, with a very high percentage of post-consumer recovered materials. Inside dimensions listed (w x h x d). Capacity Range [Max]: 3 1/8"; Sheet Capacity: 700; Color(s): Kraft; Binder Sheet Size: 11 x 8 1/2.