This car seat headrest hook is designed to hang groceries, clothing, umbrellas, handbags, water jugs, baby supplies, etc. Made of high-quality ABS material for environmentally friendly and durable. Product Standards: High quality ABS material plastic; This hook is suitable for most of the car seat headrests. Upgraded side open design, convenient to install, no need to remove the headrests, this item can be used on the front or back of the seat, pegs can easily support 13 lbs (6 kg) / each peg (mounting size: 0.32-0.55 inches) headrest bar diameter), double layer design helps to save more space and keep your car clean. No need to worry about shopping bags rolling around or spilling on the floor or seat.