Executive mid-back chair features a European-inspired design with stylish and comfortable bonded leather and black PVC poly fixed arms. Functions include pneumatic seat-height adjustment from 17-3\/4" to 21-1\/2" , 360-degree swivel, tilt and tilt tension. 27-3\/5" diameter, five-star nylon base is equipped with 50mm, hooded, dual-wheel casters for easy mobility. Weight capacity is 275 lb. Seat measures 20" wide x 18-1\/4" deep. Back size is 20" wide x 22" high.