Excellent Quality：The 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 Hook：The 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. Sturdy：The 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 Installation：No 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 Use：Adhesive 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.