PapmAm MIX double-sided nail files without adhesive provide quick, safe, and hygienic nail filing. The black side (100/180 grit) is ideal for shaping artificial nails, while the white side (180/240 grit) is perfect for smoothing and polishing both natural and artificial nails. The soft kraft paper edges protect the skin from injury. The files are easy to attach to the base and can be discarded after use. A perfect choice for professional manicure and pedicure.