ZY-D802 kit,including below parts: Black back ZY-D802a outer shell & ZY-D802b inner shell Black wide plastic tube covering the back bar ZY-A69 multifunctional mechanism with back bar& iron sheetBlack ZY-706-2seat shell & 706-2 seat plywoodZY-026-5 popular PP armrests,can't pass BIFMA standard(can be changed to other style according to clients' need)Normal gaslift with dustproof cover outside.ZY-PP325, 325mm PP base(can be changed to other materail bases,such as nylon,steel bases)Easily-moved nylon castors Chair parts.chair accessory,chair components