A professional janitorial aid for generations. Now with a convenient handle. No more gloves. A pumice rubbing stone that rids toilets of rust and lime build-up when chemicals quit. Won't harm porcelain bowls. Ready-to use. Reusable. Shapes to curved or flat surface. Safe for hands. Safe around children and pets. Sold with home cleaning aids in participating food, drug, hardware, general merchandise and home centers.