Product Description Perfect treats stubborn stains Our cleaning pumice is perfect for treating stubborn stains on a variety of surfaces. It gently removes calcium deposits, scale and hard water rings from toilets, sinks, bathroom tile and ceramic surfaces without causing scratches. On top of that, it effectively removes rust and grease from grills and ovens. Trust me two pumice stones can make your toilet look new in minutes, so why spend money on a new toilet? How to use it？ 1、Note: Wet it before use！ 2、Keep the toilet surface moist. 3、Use it on a small scale first.Rub gently, not too hard. 4、Make sure it's okay to use it on a wide scale. 5、Rinse with water. 6、Store the stone until it...