Black polypropylene outter backand under seat shell ¢ Adjustable autoback ¢ Also available with fixed polyurethane C-Arms (17310)C.O.M. : 1.5 yds.width:depth: chair height:seat height:arm height:seat depth: 25 in. 24 in.34.5 in.20.5 in. 27.5 in.18 in.