composited PVC materialaafinalize foam, painted armrests with leatherette material arm pad,adjustable height for armrest aa35 composited PVC material,finalize foam, painted armrests with leatherette material arm pad,adjustable height for armrest ,350MM nylon base with black roadster casters,,painted 80mm down 4 gas lift, Class 3 standard,backside suitable 90-150° rest, it comes without headrest ...