Managerial mid-back chair features a breathable mesh back chair and fabric-upholstered seat. Mesh upholstery is made of high-strength elastic nylon. Ergonomically designed mid-back matches the natural curvature of a person’s back. Arms adjust in height (25″ to 28-7/10″) and in width (24″ to 26″). Functions include pneumatic seat-height adjustment (17-7/10″ to 21″ high from the floor), 360-degree swivel and swivel tilt mechanism. Black frame has five-star, reinforced nylon base (25″ diameter) with casters for easy mobility. Seat size is 20″ wide x 18-7/10″ depth. Back measures 20″ wide (at the widest portion) x 19-7/10″ high. Weight capacity is 250 lb. Chair meets the CA117 fire-retardant standard.