Patented design High quality suction cups based on the bionic octopus suction cup principle. The tiny suction cups are arranged in a dense matrix when viewed under a powerful magnifying glass. This design greatly enhances the suction power of the suction cups. Adjustable hook design Each hook has 2 different ends, and either end can be swapped and installed. You can choose different installation according to your needs Waterproof bathroom suction cups Temperature resistant, not afraid of heat or cold. Our hooks work well in the temperature range of -20 degrees to 70 degrees. The shower hook can be used in the bathroom as well as in the kitchen, and it will not rust. Preparation before installation Select the desired end of the hook for installation according to your needs. Please note: The suction cups should not stick to painted walls, wood, marble, concrete and any other uneven surfaces. How to install Clean and dry the installation area. Peel off the protective film from the hooks. Press down on the suction cup to squeeze the air out until you hear a "poof" sound. How to remove Please remove with a credit card and wash with warm water before reinstalling. How to reuse Easy to remove and reinstall in a new location for reuse. Simply wash the suction cups in warm water and air dry for reuse. Color: White Size: 10.3*6.1*3.3 cm Package includes 4 hooks