Durecopow is committed to making people's lives more convenient. In order to solve household cleaning problems more efficiently, pumice stone has become our high-quality cleaning partner. Toilet pumice stone is formed from natural volcanic rock, non-toxic, tasteless, safe and hygienic. All you need to do is wet the pumice stone for toilet and rub it over the stain to remove the most stubborn limescale, hard water stains, and calcium deposits. So, our cleaning stones can be used in many places, such as toilets, bathrooms, kitchens, swimming pools, etc.