Material: these hooks are made of high hardness metal inside and covered by premium faux leather. This item is wide & deep enough for your purse, backpack and so on. Installation size: 0.32-0.55 inch for diameter of the headrest bar. Each item can hold up to 55 lb (25kg） | Organize car space: it converts your car’s 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. | Package Contains 2 or 4 pack of hangers for chosing according to your demands. The hooks can be rotated 360 degrees horizontally after installing for both fornt & back use. You can also hide the hook under the headrest bar when you don't use them, space saving and perfect compatible with your car. | Easy to install: The S type car headrest hooks with simple design are very easy for installation and removal. You don't need to take off the headrest, no tools required. | Rotate hooks 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.