1. [Material] - The nail file is made of adhesive tape and diamond sand board material. These beautiful, sturdy and durable nail files feature a semi-circular shape and double-sided design, providing you with a comfortable nail art experience. 2. [Size] - These essential nail art tools are suitable for filing nails before nail treatment and nail extension. It is simple and effective to use. It can remove the ridges on the nail surface. It is suitable for poly extension gel, natural nails and artificial nails, nail enhancement and pedicure, and make your nails more beautiful. 3. [Makeup] - Salons and essential household items - Nail files are perfect for all your filing needs, nails, hobbies, crafts. There are salons and DIY manicures at home. As a birthday gift, Christmas gift, and Halloween gift, this is an excellent gift for girls who love nail art. 4. [Nail file size] - Half moon shaped 100/180 gravel nail file. Use double-sided diamond sanding board for nails - Use 100 grit sandpaper to polish the hard nails and toenails rough, and use 180 grit sandpaper to polish the edges of the nails smooth, making their shape exquisite. Keep your nails beautiful all the time! 5. [Multi purpose] - Nail shaping, nail beauty, nail styling, and nail polishing can be used for your nails, toenails, natural nails, acrylic nails, and fake nails, making your nails more natural and beautiful.