1The nail file is specially designed for nail grinding and polishing, makes your nails more beautiful. 2Doublesided sanding nail file, the front side is the fine sand sanding surface, and the reverse side is the coarse sand sanding surface. 3Using highquality sandpaper material, waterproof and corrosionresistant, can be used for a long time. 4The nail plate and cushion are easy to clean and you can rinse it with water. 5Lightweight and portable, you can easily put it in your pocket and use it whenever you want.