Designed as an exercise in clarifying form, Eero Saarinen's Tulip chair sets new standards for modern design. Base is a cast aluminum, rilsan coated finish. Shell is molded fiberglass with a reinforced, plastic bonded finish. Upholstered foam cushion is removable, with zippered cover and Velcro fastening. Includes felt glides for hard floors. Available with or without arms. Overall Dimensions: W 26", D 23 1/4", H 32", Seat Height 18". See Knoll website for seating options. GREENGUARD Certification