Practical function The pumice stone is suitable for cleaning hard water rings and stains on toilets, tiles and sinks. It can also handle stains on grills and grills with strong power^ENVIRONMENTALLY FRIENDLY AND SAFEOur natural pumice stone, environmentally friendly and safe for children, pets, plants and water. It is harmless and odorless, safe to use in your room or closet after use 4. Suitable for most household cleaning: Pumice stone is suitable for cleaning toilets, ceramic faucets, pool tiles, grills, laundry room faucets, metal utensils and even dead. skin. Pumice stone can make your home life more beautiful^Excellent powerIf you don't want to use a salt water softener system to remove all those stains, this pumice stone is the perfect tool to remove mineral deposits The water in your bathtub or sink is hard water. If the water here is hard, this tool will help remove these stains with ease. Laundry room taps, metal utensils and even dead skin. Pumice makes your home life more beautiful