Are you tired of the dead skin on your feet? KENED salon-quality foot files offer you a perfect solution for your heels. Its large filing surface and light-weight design work effectively. You only take minutes to do professional foot care pedicure by yourself at home quickly and effectively, cheap and convenient! Specifications:Material: The Stainless Steel one is made from 304 premium stainless steel, anti-rust, and waterproof. The Plastic one is made from professional coarse, fine sandpaper and sturdy plastic handle.Design: One side of the rough grinding surface and one side of the fine grinding surface. Besides, Colossal Foot File is wavy pattern design.Package: A set of 5 packs foot files( 2 packs x stainless steel and 3 packs blue x frosted).TO USE Step 1: Can be used in wet and dry. But we recommend to soak your feet in warm water for 10-15 mins to soften skin, then use the callus remover to exfoliate feet in up and down directionStep 2: Use the convex face of colossal foot rasp to scrape off the thick callus carefully. Step 3: Use the double-sided foot file to smooth skin; then you will feel your feet more soft and comfortable. Step 4: Clean the dead-skin shavings and put foot care cream. Tips: Pay attention while using our foot file even it?s of the highest level safety. Dual-Sided Foot File is recommended if your feet are tender and dead skin issue is not that serious.Do not mix use, to avoid beriberi and other issues.