NOT APPLICABLE SURFACES - Painted wall, limestone wall, wall paper or uneven surfaces. APPLICABLE SURFACES - Must be smooth surface such as wooden ,ceramic tiles, marble stone, metal, glass etc. HIGH LOADING CAPACITY: The maximum load-bearing capacity is 15lbs. (In order to ensure the service life, please keep the weight of the suspended product no more than 12lbs). WIDLY USE: The adhesive holder can meet your different needs that very convenient to organize bathroom, kitchen, bedroom, office, school, hotel or store. EASY TO INSTALL AND REMOVE: No need to drill, just remove the protective film on the back of the adhesive hook, and then press for a few minutes, you can hang things on it after 24 hours. If you want to remove it later, use a hair dryer to heat the melted glue, and you can easily remove it. No residue, no damage to the wall. WATERPROOF: The adhesive hook is made of space aluminum, guarantee never rust. Sturdy and durable, strong load-bearing capacity, stable, drain quick and easy to clean is the main feature of the adhesive hook.