Bner office chair I

∮320 nylon feet over 1136 kg of hydrostatic test, 50 mm black nylon wheel, strong association 85 black rod gas, 2.5 thickening GSM chassis, butterfly can be easy and locked in position, with hangers headrest, fixed lumbar pad, black PP fiberglass frame and armrest, back of 42 high density soft elastic cutting sponge, hua yu brand wear-resisting close skin elastic cloth, encryption back facing more H net