No need to punch the door or stick it to the surface, just put it over the door.This product can be given as a great present for your friends and families. They will be very happy. Made of stainless steel material, it is and use. Features - Color: Silver. - Material: Stainless steel. - Size: 12.00X6.00X4.70cm/4.72X2.36X1.85inch. - The double S shape storage hook is made from material, ensuring quality and longevity. - A nice tool to keep your room well organized. It will be a good helper for you. - Suitable for hanging coats, clothes, hats, handbags, umbrellas, and so on, can be used for bathroom, living room, etc. - Compatible with any other modern designed home decor,it is enough to last for many years. - It can of space for you, you can install it on the back of the door and other small space. Package list: 1 x hook