Installation without Drilling: Easy to install. Self adhesive 3M mucilage glue, no tools, no screws. Just peel off film of adhesive pad and stick it on the smooth surface. High Loading Capacity: Self adhesive 3M mucilage glue can offer a maximum load-bearing capacity up to 6.8kg/15lbs. Rust Proof: Made of high quality 304 stainless steel, adhesive hooks are waterproof and rustproof, which are suitable for all kinds of wet or dry environment. Wide Application: Works on a variety of smooth hard surface. Our adhesive hooks is great for your bedroom, bathroom, kitchen and office. Our self adhesive hooks has sturdy extended long straight handle and is ending with suitable bending, which is easy to hang vary from keys to big robe. Color: black Products include: 4pcs Size: 4.5*4.5*3.8 cm