Product Features: Our seat headrest hook is more sturdy which is made of high quality material with classic color black. You don't need to worry about it will be broken easily, it has a large slot and standard curve design for better capacity and stability which is durable that can be used for a long time. Other Advantages: Expand space of your car and keep you car interior looks tidy and clean, you can hang everything you need or you want, such as bags, clothes, bottles, kid's toys, umbrellas and more. You can not only use it in your car, but can also use at home or office, very convenient to organize your stuff. Universal Use: Measuring 2.7*2.8*1.3 inches. Fit for all Cars, vehicles, SUVs, trucks, and more. But before purchase, please make sure that diameter of headrest poles should be 0.4" to 0.6 ". Easily Install in Seconds: Super easy and convenient to install and remove, no any tools required. Just hang the hook around the headrest pole, and no need to disassemble the headrests. Installtion instruction is attached in the photo as well.