1.Alumimum leg& mechanism; 2.PP wiriting pad(Automatic function); 3.Solid wood armrest ... :brown cartonDelivery Detail15-25daysSpecificationswe supply office chair component part including mechanism,plywood,castor,base,arm,seat cover,back cover at competitive ... priceswe supply chair component including mechanism,metal frame,plywood,castor,base,arm,seat cover,back cover ...