Foot file made from professional coarse, fine sandpaper and sturdy plastic handle, easy to use, mild to your skin and remove dead skin from your feet safely and painlessly. | Feature: each foot file can be used wet, in the shower, or used on dry skin, sturdy design its not easy to break off with long durability, washable and reusable, the handles have a hole for convenient hanging and drying after use. | Ergonomic design: with big and sharp wavy pattern surface, steel qfile is also gently curved for use at any angle, easily smoothing hard to reach areas. | Safe use: foot file has a rougher side and a smoother side for filing, double-sided foot files to remove calluses and smooth feet; anti-rust and waterproof features ensure the foot file set can exfoliate dead skin or callus under both wet and dry condition. | Tip: pay attention while using even though it's of the highest level safety. soak your feet in warm water about 10 minutes before using will be better.