NATURAL BLACK PUMICE STONE - Black foot stone signifies high quality because pure volcanic lava is naturally black. When feet pumice is any other color than black, this means it isn’t composed of pure earth lava 
PUMICE STONES are an effective tool for rejuvenating and cleansing the skin of the hands, feet, elbows, and heels, and for removing calluses and corns, hard, dry, rough and dead skin 
HEALING PROPERTIES - Contains trace elements - Massages and stimulates blood flow - Relieves fatigue, promotes relaxation - Ideal callus remover - Remove dead skin for healthy feet - With daily use, your skin will become baby smooth - Soft, silky skin like after SPA treatments