1.Nail files can be used for shaping, grinding, smoothing and polishing. Not only helps you trim and shape the shape and length of your nails you want, but it is also suitable for grinding and polishing your nails for more shine and smoothness, and even removing nail gel.2.The nail file set includes 150 buffer plate, 180 buffer plate, 240 buffer plate, 100/180 buffer plate, 220/280 buffer plate, and 1000/4000 gloss plate. Different nail files have different functions.3.Nail files are made of sponge and sand board materials, which are strong and durable, and will not easily break and damage, providing you with a comfortable nail care experience.4.Nail files is non-toxic and harmless, will not harm your nails, is skin-friendly and safe to use.5.The 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.