Size and Other Details: Each 100/180 grit foam board measures 7 L x .75 W. It comes in a pack of 12 washable nail files.Zebra Curved Nail File: ForPro Curved Foam Boards are made in Korea from the finest adhesive, foam and sandpaper. These high-quality nail files are a necessary addition to your manicure and pedicure accessories.100/180 Grit Nail File: The zebra nail files feature coarse 100 grit on one side and medium 180 grit on the other to quickly and easily file nails to the desired shape, giving edges a flawless finish.Professional Nail Care: These professional foam boards are specially designed for your convenience, hygiene, and quality. The zebra foam boards are perfect for removing excess product leftover from your gel and acrylic nails.Washable Nail File: The cushioned core of these 100% washable and sanitizable foam boards allows for fast, easy, and precise filing of nails.