Feature: 1. Made of the high-quality sand bar, very wear-resistant and can be used for a long time. Washable, can be washed with water after use. 2. Double-sided, two sides have different grits. One side is 100 grit, suitable for nail shaping and styling; the other side is 180 grit, used to polish the gel seal. 3. Comfortable to grip and easy to use. And it is very portable. 4. Suitable for a manicure, nail shaping, nail grooming, nail styling, and nail polishing. 5. Suitable for professional use or home use. Specification: Features: Made of the high-quality sand bar, very wear-resistant and can be used for a long time. Washable, can be washed with water after use. Double-sided, two sides have different grits. One side is 100 grit, suitable for nail shaping and styling; the other side is 180 grit, used to polish the gel seal. Comfortable to grip and easy to use. And it is very portable. Suitable for a manicure, nail shaping, nail grooming, nail styling, and nail polishing. Suitable for professional use or home use. Specifications: Material: EVA + sand paper Color: black, silvery (optional) Type: 1#, 2# (optional) Quantity: 15pcs Thickness: 4mm / 0.16in Item weight: 11g/pc / 0.39ounces/pc Package size: 180 * 80 * 20mm / 7.09 * 3.15 * 0.79in Package weight: 170g / 6ounces Note: 1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2.Please allow a little measuring deviation due to manual measurement. Package List: 15 * Nail Files Package List: 15 * Nail Files