Material:ABSSize:Length 18cm, width 4cmConversion: 1inch=2.54cm, 1cm=0.393inchesMade of plastic and silicon rubber,durable and environmental.You no need to disassemble the headrest,Rotatable and can be hidden when you not use it.Perfect to hang your bags that you don't want put on the floor and get dirty.This universal car back seat hook is specially designed to hang groceries, clothes, umbrella,handbags, water bottles, toys, supplies and much moreHigh-quality material made, durable and strong bearing.Warm Tip : Please be reminded that due lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the colour tone of the website's photo and the actual item.Item Measure by hand, it could be 1cm different,your kind understanding will be much appreciated.