Sturdy rigid 20 pt. paperboard stock with smooth, distinctive finish. Tape-reinforced hinge holds up to frequent referencing. Embossed title panel on front cover. This product was made from wood that came from a certified managed forest. Coated pressboard resists moisture. Front Cover Color(s): Dark Green; Back Cover Color(s): Dark Green; Sheet Size: 8 1/2 x 11; Capacity Range [Max]: 3".