1: Gas lift chair 2: Five feet base chair 3: Color:yellow 4: MOQ:5 sets 5: CE: ISO9001:2000 and ISO14001:2004 Back material:meshArmrest:Plastic armrestGas lift:travel gas lift Seat plate:FabricInner material:spongeDesign features: seat height adjustable,swivel 360°smart Size:Standard, mechanics design with multi-function Color:Black, Green, yellow, etc.Different colors to choose1. Strong, smooth, ...