The appearance of shower suction cup hook is made of ABS plastic material, and the suction cup is made of high-strength TPU and PU rubber. Using high-tech locking technology, the suction cup hook is sturdy and stable, waterproof and beautiful, and can maintain a load of 11 pounds for a long time without replacement.Unlike most adhesive hooks, this suction cup hook is easy to remove, no need to drill holes and will not leave any damage or residue on the wall, you can easily reposition, replace or remove it. If it deforms or reduces suction, soak it in warm water and use it again after it dries.Suitable for windows, mirrors, glass, metal, front doors, tiles, marble surfaces and other non-porous, smooth and solid surfaces. You can install it in bathrooms, bedrooms, kitchens, living rooms, cars, hotels, shops, offices, etc. However, it is not suitable for oiled surfaces, porous, uneven and rough surfaces such as painted walls, plaster walls, concrete walls, wallpaper, etc.Before installing the suction cup hook, please wipe off the dust and moisture on the contact surface with a clean towel or paper towel to keep the surface dry and clean.No screws, nails, glue or tools are needed, you can install the vacuum hook in one second. To install it, just firmly fix the suction cup on a clean wall, then push the suction handle upwards, adjust the direction of the hook and you can use it.