1.Our nail files include 12 small nail files of 6 colors, which can quickly and easily polish the nails into the shape and length you want, and can be replaced at any time, saving purchase time and money. 2.These mini nail files have just the right roughness, allowing you to easily polish natural or fake nails. They are double-sided and are suitable for soft nails, hard nails, natural nails or fake nails. 3.Our mini emery board is made of durable sandpaper and a sturdy adhesive. It will not peel off from the board and will not shed too many dust particles. It is durable and can be reused for a long time. 4.Nail file material is safe, non-toxic and harmless, no allergic ingredients, will not cause nail damage or fragmentation, will not scratch the skin, and is safe to use. 5.Nail files are small in size and light in weight, easy to carry and store, and can be carried in a bag without taking up too much space.