Provides excellent chart storage for acute, sub-acute and home health. 1″ ring capacity holds 250+ sheets. Guaranteed for 3 years and features strong rings and the patented “Twin Hinge” System. Constructed using a tripolymer molded process for extra strength and durability. Comes in 3 Rings. Specify color when ordering: Blue, Med. Blue, Burgundy, Lilac, Seafoam Green.