Excellent QualityThe black self-adhesive hooks are made of 304 stainless steel material and galvanized surface treatment, which is not only more aesthetically pleasing, but also has excellent waterproof, rust-proof and scratch-proof performance, and has a long service life. Thick HookThe hook of this towel hook is big and thick, so it is very sturdy and not easy to break or fall off. Also, the hooks have smooth edges that won't hurt your hands or leave scratches. SturdyThe glue on these wall hooks has the advantage of strong initial adhesion, can bear up to 4kg of weight, and is not easy to fall off. It is an important and good helper for any household and can meet your various needs. Easy InstallationNo external tools such as glue, screws or nails are required. Simply peel off the protective layer and press the self-adhesive hooks to secure them where you want them. For Field UseAdhesive hooks can be firmly fixed on tile, marble, metal, glass or other non-porous surfaces, perfect for organizing bathrooms, kitchens, bedrooms, offices, schools, hotels or shops.