Made of high quality PP material, strong and durable, great toughness, would not crack or break easily. Special half open design, no need to take off the headrests, no additional tools required. Just hook it on the headrest posts. Easy and convenient. Keep your car organized, converts your car's headrest into a convenient storage space to hang handbags, purses, schoolbags, grocery bags, umbrellas, water bottles, shopping bags, kid's toys, baby supplies and much more. Car seat hook can be used for different place. Fits Most of Car Seat. Give you extra space to hang bags and purses, keep your car organized. Frees up leg room and keeps your belongs upright, you will travel more comfortably and happily! Perfect gift for you and your family, friends. Car Headrest Hook Size Multi-purpose Car Seat Hook Curved Design, Not Occupy Space Universal Car Seat Hooks for Daily Use