Suction cups can be used on any smooth surface, such as mirrors, windows, tiles, etc. Suitable for home, kitchen, bathroom and office. Easy to install and remove off without any damage to the surface. To attach simply press down firmly on the chosen surface. fiXte suction hooks are ideal for decorations, keys, kitchen utensils, towels, small toy pendants, window coverings and more. Suitable for holiday decoration, light string, banner, flags, garland, and pendant arrangement. Please ensure that the surface is smooth and clean as this can affect the hook staying in place.