This Japanese pumice scrub brush is rubbed on hard skin to soften and treat rough skin and calluses on hands, feet, and elbows. This high quality pumice stone is an effective and natural way to remove grease, grime, stain, and rough or dead skin from hands and feet. Pumice serves as an abrasive agent to remove calluses and corns. This pumice scrub has a plastic brush on the bottom that is great for nails. Made in Japan.