Not applicable surfaces - painted walls, limestone walls, wallpaper or uneven surfaces. Applicable surface - must be a smooth surface, such as wood, tiles, marble, metal, glass, etc. Strong adhesive force: the self - adhesive hooks are seamlessly bonded with high-quality nanometer thickening, the initial adhesive force is strong, so that each hook is adhesive. It is possible to hang heavy objects such as coats, bags, kitchen utensils, etc. Water and rust resistant: the black adhesive hook is made of high quality space aluminum. The hook is water and rust resistant and suitable for bathrooms and kitchens to ensure a long service life. Easy installation: no external tools such as glue, screws or nails is required, simply tear off the protective layer and press the adhesive hook to stick it to the desired location. Modern and minimalist design: Simple and stylish matte black design, modern and minimalist design, ideal for use in bathroom, kitchen, bedroom, etc. Multiple uses: adhesive hooks can organize the bathroom bathroom, kitchen, bedroom, office, school, hotel or store. Note: The data are manual measurements, please allow an error of 1-3cm, depending on Due to differences between light and screen, there will be a certain color difference, the specific received in kind shall prevail.