Cleans where chemicals fail. Pumie works through gentle abrasive action. Takes over where other abrasive cleaning aids leave off. Scours away mineral deposits, rust, stains and scale from sinks, tubs and showers. Removes unsightly toilet rings. Cleans baked-on food, grease and carbon buildup in ovens, on grills and iron cookware. A 100% pumice product. Works through gentle abrasive action. Wont harm hard surfaces. Safe for skin. Safe to use and store around children and pets. Janitorial 100% pure Pumice scouring stick Used by cleaning & maintenance trades, food service chefs, painters, plumbers, mechanics, farmers, pool services & other professionals Hard surface cleaner for removing lime, rust & paint Cleans porcelain, ceramic tile, concrete & iron Removes toilet bowl rings, stubborn stains, hard mineral deposits, algae, paint, baked on food, grease & carbon build up Environmentally safe, contains no hazardous substances.