Feature: 1. First soak your feet in warm water for 10 minutes to soften the dead skin, then dry the soles of your feet with a towel. Use the rubbing surface of the foot file to rub the dead skin, you can immediately see the dead skin peeling off. After finishing, apply moisturizing cream to your feet to keep the soles of your feet moist. 2. Using advanced nanotechnology, there are many grinding points on the surface to work at the same time, just gently sliding, easily remove dead skin, calluses, etc. in 3‑5 minutes. 3. Our foot file has a uniform and dense surface, it will not harm the skin, and you will not feel pain due to use. 4. Conform to ergonomic design, easy to hold and use, easy to control the strength, convenient and practical. 5. Made of high quality nano glass, safe and eco‑friendly, non‑toxic and wear‑resistant, durable for use. Specification: Condition: 100% Brand New Item Type: Nano Glass Foot File Material: Nano Glass Shape: Rhombus Size: Approx. 11 x 6.5cm / 4.3 x 2.6in Product Features: 1. Improve heel cracking and remove dead skin and calluses. 2. It is made of high-quality glass. 3. Reinforced glass is easy to clean. 4. Physical polishing, both pregnant women and children can use. 5. Using advanced nanotechnology, the micro-particle rubbing surface is extremely delicate, slick and comfortable after trimming.. Package List: 1 x Foot File Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.