Docare Mini Nano Glass Nail File Travel Size is your perfect travel companion: the Glass Nail File Travel size. With this professional glass nail file, you can easily shape your nails safely. Using the glass nail file helps prevent hooks and your nails from splitting.The special structure of the glass file helps ensure the nail plates stay together perfectly and prevents air from getting underneath. The nails remain in optimal condition and are more resilient to moisture and dirt.Using the glass nail file makes it impossible to make a sawing movement. You can only file your nails from the side to the center of the nail. Split, broken, or torn nails are a thing of the past.