FAST & EFFECTIVE CLEANING: High-density, tough, and fine-grained, this toilet pumice stone quickly and easily removes stubborn hard water stains, calcium buildup, corrosion spots, and hard water marks without damaging the tile surface. ECO-FRIENDLY & SAFE: Made from natural pumice, this hand cleaning stone is environmentally friendly and safe. Non-toxic and odorless. No chemical cleaners are needed to remove deep stains. A truly eco-friendly and economical tool. HAND PROTECTION: The toilet cleaning block features a durable handle at the end, allowing you to clean hard water stains in the toilet and prevent your hands from getting dirty. CONVENIENT STORAGE: A small hole at the top of the handle allows for hanging on a hook for storage after use. WIDE APPLICATION: Pumice is suitable for cleaning grills, toilets, pool tiles, ceramic faucets, washing machine taps, grills, or metal appliances, and even dead skin.