Quickly remove callus, thus saving time and energy. This pedicure frosted glass foot file is suitable for men, women and children. It can help remove dead skin cells, remove calluses, and make the feet look soft and healthy. Bringing you a baby soft feeling. Using no sharp blades or "grinding machine" electric motors, they allow you to sand away calluses in a way that's gentle but effective. Tips: If you are a lady, the skin on your feet is relatively sensitive and delicate, please use it when your feet are wet. After using, apply some lotion and you will see amazing changes in the feet, so smooth and delicate! FOOT CARE STEPS： 1. Soaking your feet to soften the dry skin and callus. 2. Rubbing back and forth on callous and dead skin with glass file. 3.Clean the feet dander and apply foot cream. 4.Rinse with water after use to facilitate next use. PRODUCT INFORMATION: Name: Nano glass foot grinder Material: ABS/Nano glass Purpose: To remove dead skin/corns on hands and feet Size: 6×10 cm Weight: 82 Grams