Dr Scholl's Express Pedi Foot Smoother - Reduces 99.9%* of bacteria Anti-Microbial treatment destroys 99.9%* of most common bacteria on the roller; advanced Spin Technology Rotating system gently removes rough skin corns and callouses for smooth results; unique Roller Surface Safer and more effective than sharp metal hard skin removers; compact and Convenient Battery operated. Includes 2 AA batteries 1 roller and Express Pedi Foot Smoother. In Box: Express Pedi Foot Smoother batteries roller instruction manual. Color: blue/white