This powerful removable bath towel bar is perfect for hanging towel, washcloths, cleaning rag. The towel holder make life more convenient and organized. Suitable for any metal appliance like refrigerator, stove, oven, sink, dishwasher, washing machine, But can not work on stainless steel appliance because they are not magnetic. The towel rack is made of aluminum material, and the magnets are covered with rubber, will not rust, can last for years. Also will not scratch the surface of appliance. The magnets are very strong. Once stick on the metal surface, the towel holder will not move anymore. If you want to reposition the holder, just pull the towel holder from the metal surface with some effort, and stick again.