In his groundbreaking collection of 1957, Eero Saarinen transformed executive seating into a fluid, sculptural form. Available with or without arms. Upholstered back shell is a molded reinforced polyurethane shell with a contoured plywood seat supported by metal or wood legs. Armless chair has a black or white plastic back option with metal legs. Legs available in seamless tubular steel with polished chrome finish. Overall Dimensions: W 25 1/2", D 25 1/2", H 31 1/2", Seat Height 18". See Knoll website for seating options. GREENGUARD Certification