Nail File: ForPro Mini Foam Boards are made from the finest adhesive, foam and sandpaper. These high-quality nail files are ideal for use on both acrylic as well as natural nails and are a necessary addition to your manicure accessories. | 120/180 Grit: The blue nail files feature coarse-medium 120/180 grit on either side to quickly and easily file nails to the desired shape, giving edges a flawless finish. | Nail Care: These professional mini foam boards are specially designed for your convenience, hygiene, and quality. The mini foam boards are perfect for removing excess product leftover from your gel and acrylic nails. | Manicure and Pedicure Nail Files: The cushioned core of these washable and sanitizable mini foam boards allows for fast, easy, and precise filing of nails. | Size and Other Details: Each premium 120/180 Grit mini foam board measures 3.5” L x .5” W. It comes in a pack of 50 washable nail files.