The magnets are very strong. Once the towel rail sticks to the metal surface, it cannot be moved. If you want to reposition it, simply pull the towel rail from the metal surface with a little effort and stick it again This powerful removable bath towel rail is perfect for hanging towels, washcloths and cleaning cloths Suitable for all metal appliances such as refrigerator, stove, oven, sink, dishwasher, washing machine. However, cannot be used for stainless steel devices as they are not magnetic The towel holder makes more comfortable and organised The towel holder is made of aluminium and the magnets are covered with rubber, will not rust and can last for years. Besides, the surface of the device will not be scratched