Pumie® pumice scouring stick cleans where the strongest chemicals fail! Pumie® works through gentle abrasive action. Pumie® Scours away mineral deposits, rust, stains and scale from sinks, tubs and showers. Cleans baked-on food, grease and carbon buildup in ovens, on grills and iron cookware. 100% pumice product. Safe to use and store around children and pets.