Magnetic Double-sided Window Glass CleanerThe powerful internal magnets lock the two cleaning sides ( sponge with a rubber squeegee end ) together through the glass so when you move one side, the other side follows. All you have to do is to slide the magnetic cleaner back and forth to thoroughly clean the glass. Easy to clean and use It can be used to clean windows, greenhouses, fish tanks, conservatories, skylights, patio doors, bedroom windows and even shower screens, mirror and tiles Use