1.Healthy: Gently removes dead, rough skin & hard calluses, resulting in cleaner, softer, smoother, more radiant skin. Clears away dead skin, stimulates blood circulation & improves oxygen supply to the feet improving skin health. 2.Safe: Gentle surface allows for easy, smooth, and most importantly, safe care of your feet without damaging sensitive skin. It may be used with toenails too and will not chip, tear, or split nails. Professional pedicure with no extra costs. 3.Durable: Each product package includes 2PCS crystal glass foot file. They can be used for a long time for you. High-quality glass foot files do not corrode, rust, or rot like other files. The glass is strong, wear-resistant & retains the integrity of the filing surface after multiple uses. 4.Easy to Clean: This professional glass foot file is made of high-quality tempered glass by the most professional technology. The non-porous cordless baby nail file can be used for a long time just by washing with running water. It only takes a few minutes to clean up after each use, and you can continue to use it after drying. 5.We are very confident that you will like our nail files