Natural Pumice Stone is a porous lava material that cares for your feet, making your skin look fresh and youthful, promoting body blood circulation and improving sleep quality. It is unique from other pumice stones, being made of natural and mineral-rich lava material, free from harmful toxins. The stone is easy to use and handle, fitting easily in your hand, and is highly durable. To use, wet the stone in soapy water and clean it over an area in a circular motion. It can be used to clean callus on hands, heels, body, and dead skin.