Durable Construction: Made of high quality ABS, never rust, never moist, never fall out with 3M reinforced tape provide stickiness. Easy to Install: No tools, no drilling, no screws, no holes, simply position on a smooth surface, and then press for a while until squeeze out the air between the film and the surface. Keep your key organised:Won't waste time to find keys or losing them. Multiple functions: Special "U" shape design for storing and organizing letters, mail and other items that you want to put closed to the door, plus 4 hooks for your keys. This key rack can effectively use the wall space for item storage. Kindly notice: Please keep the surface clean and smooth before you use the hook hanger, and better hang heavy things after 12 hours.