... steering knob,auto steering knob, car accessory matiral:plastic&metal aluminium color: white, red, blue, black, chrome, wood steering knob,auto steering knob ... , car accessory1.matiral:plastic&metal aluminium2.color: white, red, blue, black, chrome, wood and so on.3.some of them ... . It looks beautiful.4. the main advantage is convenient for women or younger to drive the car. aluminium circle for wheels