... 1,fabric material2,finalize foam3,painted up and down armres with PU4,pu material arm pad5,350MM ... nylon base with black roadster casters6,80mm down 3gas lift, Class 37,backside suitable 90-150 ... No information 3 5.0 Acceptable Plastic powder spray equipment No information 1 5.0 Acceptable Sewing machine ... Year(s) Used Condition Chair back testing equipment Yusheng 1 2.0 Acceptable Chair leg wheel ...