Esd chair Material: clean leather Color: two colors, i. E. Blue and black, are available. Dimension: 430*400mm(chair seat); 400*300mm(chair back) Back steel: steel, paint coasting Castor: conductive nylon, 5-star foot: steel tube, chrome plated Adjustable height: 470---590mm ( # 120 standard) Optional: 400---480mm (# 80) 490 --650mm ( # 160) 540---740mm(#220) 700---915mm ( # 260 ) Material optional: clean leather, esd fabric, pu foram, pu leather, conductive plastic It is our leading products, fashion, smart, and customizable. The main difference of esd chairs is castor, five-star foot, back steel Many p. N. For selection: b0301, b0302---------b0316