Premium QualityMade of high impact engineering plastic, these car headrest hooks are flexible and durable. They do not crack or break easily. NOTEThese hooks are compatible with headrest bars with a diameter ranging from 0.4" to 0.6 Humanized designThese compact car seat hooks are designed with smooth rounded edges to prevent adults and children from scratching.< /p> Easy to InstallWith special semi-open design, these rear seat brackets are easy to install in seconds, no need to remove the headrest from the car, just hang them on the headrest bar. Strong load-bearing capacityPackage comes with 4 car wallet hooks , each hook is strong enough to hold 55 lbs, perfect for hanging your purse and preventing it from falling off your seat while driving Wide UseThis universal rear seat hook is elegantly designed, perfect for hanging groceries, clothes, umbrellas, purses, water bottles and more to keep v your car tidy