MaterialThe auto seat back hooks are made of eco-friendly ABS material, 4 pieces per pack. Intimate DesignThese compact car seat hooks are designed with round edges and smooth, which can prevent adults and children from being scratched, safe to use. Easy to InstallWith the special half-opening design, these back seat hangers are easy to install in seconds, there is no need to disassemble the headrest from the car, and simply hook them around the headrest poles. Space SavingMake full use of the limited space in the car. You can adjust the hook to any angle and use the hook on the front or back of the seat as needed. Also, the hook can be hidden for space reasons when not in use. Versatile UseThese stylishly designed universal rear seat hooks are ideal for hanging car products. groceries, clothes, umbrella, purses, water bottles, baby supplies and more, keep your car tidy. Car Storage Hooks, 4/8 pcs Universal Multifunctional Heavy Duty Car SUV Back Seat Headrest Hooks for Hanging Bag Handbag Organizer Plastic Storage Bag. Specifications: Material: ABS Color: Black Size: Shown as picture Quantity: 4 pieces Package Content:< /p> 4 automatic brackets