Material: this good is made of premium quality material. This item is wide & deep enough for your purse, backpack and so on. Installation size: 0.32-0.55 inch diameter of the headrest bar. Each item can hold up to 13 lb (6kg Organize car space : it converts your cars headrest into a storage space, help you keep your car interior perfectly clean and organized. The car headrest hook is great for hanging groceries, clothes, umbrella, handbags, water bottles, kid's toys, baby supplies and so on. Contains 4 hangers: meet your multiple uses. The hooks can be rotated 360 degrees horizontally after installing. You can hide the hook when not use, Space saving and perfect compatible with your car. Swing the hook around to either the front or back of the seat to use as desired, help you keep your car interior perfectly clean and organized, don't worry your shopping bags be placed on the floor or seat rolling around and spilling. Easy to install: easy remove, easy installation. The car headrest hook with simple design, do not need to take off the headrest, no tools required.