Product size: 8.1cm in length. 11.5cm in width. Material: This product is made of ABS material, which does not break easily and has smooth edges to protect children and adults from scratches. The design is simple and generous, does not take up much space and is widely used. Material: This product is made of ABS material, which is not easy to break and has smooth edges to protect children and adults from scratches. Simple and generous design, does not take up space and is versatile Strong load-bearing: The hook can withstand up to 15kg without breaking or cracking. It hangs items well and ensures they don't fall off Two ways of using it: it can be used as a hook in the car or as a mobile phone holder in the car, allowing you to hang items and place your mobile phone at the same time. Of course, it can also be used at home as a mobile phone holder for multiple uses. Guarantee: If you have any questions about the product, you can always contact us and we will get back to you as soon as we see it Easy to install: the hook is easy to install, no need to remove the headrest and no other tools are needed to install the hook