Lighthouse OPTIMA-F Binder and Slipcase in Black Binder and slipcase are bound in a black colored and textured leatherette material with matching slipcase. Overall size is approximately 9-1/2" x 2" x 11-1/4". This binder is fitted with four O-rings. Holds approximately 10 coin sheets or 20 to 30 stamp sheets (sheets sold seperately) depending on contents.