For those looking for an ultra-modern office chair, this design will not disappoint. Starring features include a transparent acrylic seat, 360 degree swivel, and adjustable height. The 5-wheeled base is constructed from steel with a high-shine chrome finish. This chair is sold as a one, and assembly is required. Chair measures 28 inches wide x 23 inches deep x 29.5 inches high. Seat height is 15.25 inches and depth is 16 inches. Arm height is 23 inches.