Double-sided Foot File Callus Remover Great for removing foot calluses and dry skin from feet. Can be used in wet or dry, we would recommend to soak your feet in warm water for 10-15 mins to soften the skin before using the foot files. After scrubing the calluses and died skin, just using this foot file to massage gently for a while to smooth the dead skin on your feet. 100% Natural Material Made Non-slip natural beech wood and corundum stone, wear-resistant and sturdy design makes sure it is not easy to break off with long durability Giving you baby-soft, smooth and beautiful feet! It can effectively solve chapped, hard skin,dead skin, peeling, exfoliate, horny, corn, sunburn, Let your feet become baby-soft, smooth and beautiful again. Suggestion Once a week, or according to your demand. After treatment, please a pply some moisturizer to lock moisture and prevent dry skin and softness.