Scope of usePumice stone is used in toilets to clean calcium deposits limescale and hard water rings on toilets sinks bathroom tiles and other ceramic surfaces It can also be used to remove rust and grease from grills and ovens materialManufactured from recycled material glass Will not scratch the toilet or bathtub and the cleaning process is simple convenient and effective Convenient and effectivePumices tone can polish toilet bowls Tiny particles can remove dirt through friction It gradually wears down during use Two pumice stones will quickly refresh your toilet within a few minutes It is much cheaper than buying a new toilet InstructionsWet the pumice stone first for 15 to 20 seconds then test in a small area keep the pumice stone and toilet surface moist throughout use and then wipe clockwise to easily remove the dirt