Made from natural stone, the Emjoi Pedismooth is designed to take away the coarse skin and leave your feet feeling soft. Easy to use, it glides over your skin to buff away rough, dry and calloused skin in seconds. Safe and more effective than metal scrapers, the PediSmooth does not irritate or cut your skin. With 2 rollers for different types of skin your feet will be super-smooth in no time! Battery operated.