Take Care of Your Feet at Home: this pumice stone for feet allows you to enjoy a foot spa at home, saving the time and effort of going out and getting your feet done, bringing you a nice using experience. 4. Stand for Long Term Usage: our pumice sponge for feet is mainly made of pumice, reliable and safe, you can use it for a long time with confidence; It is normal to have a small amount of floating ash when initially using. Easy to Apply: you can simply soak the part of the skin with calluses in warm water until it becomes soft, then put our foot scrubber into the soap water and gently wipe it over the calluses in a circular motion, which can effectively remove calluses, bringing you a nice using experience. Rich in Quantity: the package includes 100 pieces of pumice stones, the sufficient quantity can meet your daily use and replacement needs, and you can also share with your friends and family members.