1. Nail files can be used for shaping, grinding, smoothing and buffing. It not only helps you trim and shape your nails into the shape and length you want, but also suitable for buffing 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 shine 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 or damage, giving you a comfortable nail care experience. 4. The nail files are non-toxic and harmless, will not hurt your nails, are skin-friendly and safe to use. 5. The nail files are small and lightweight, easy to carry and store, and can be carried in a bag without taking up too much space.