These use premium sandpaper, EVA, and Emery board materials. They are not only reusable and washable but also offer exceptional durability and resilience. 100/180 Grit Dual-Sided Nail Files: Each package contains 10 double-sided nail files, with one side featuring a coarse 100-grit texture, ideal for acrylic and thick nails, while the other side boasts a fine 180-grit texture, perfect for buffing away nail surface imperfections or refining natural nails. Perfect Shape and Size, these large nail files are intelligently designed in a square shape, with a generous length of 7.1 inches.
