Note: Please do not soak in water for a long time to prevent floating stone from falling off. After use, rinse with clean water and hang it in a ventilated place to dry naturally. Do not expose to the sun. Features: Effectively remove dead skin and callus on the sole of the foot or palm. Regular foot care will keep your feet healthy, which will make your body healthier and more beautiful. Easy to Use: Soak your feet in warm water for 10-15 minutes before cleaning. It is recommended to use it every 3 days, and the frequency can be increased or decreased according to personal needs. Material: Wood, pumice and bristle. Size: 20x5x1.2cm. Natural materials, non-toxic, healthy and environmental. 4 in 1: This product integrates four functions of "cleaning brush", "foot skin file", "grinding foot stone" and "rubbing foot plate". Used to exfoliate skin, increase blood flow and promote healthy glowing skin.