1.QUICK, VERSATILE: Pumice stone for toilet clean calcium sediment, limescale, and hard water rings on toilets, sinks, bathroom tiles, and other ceramic surfaces. It can also be used to Remove rust and Oil stains from grills and ovens. 2.MATERIAL, PRINCIPLE: Pumice stone toilet bowl clean brush is made with pumice. Stubborn stains can be quickly removed by rubbing, and iron while not creating any scratches. 3.CONVENIENT: Our pumice stone has a handle, No gloves required and can be easily used to clean Stubborn stains from toilets.to last longer and clean better. 4.TOUGH: Its more than 30% more dense than similar products to last longer and clean better. 5.HIGH QUALITY-PRICE RATION: A set of 2 pumice stones provides you with a better quality-price ratio while also being more suitable for cleaning your house. One can be specifically for your toilet, and the other one can be for your kitchen sink, bathroom sink, or other places.