Features: Double-sided manicure file with 180 grit for fine shaping and 100 grit for quick length removal, perfect for precise manicure and pedicure work. Made with good-quality sponge and plastic for durability, firm grit adhesion prevents sand loss . Ideal for manicure art lovers, and professional manicure technicians manicure tools. Suitable for natural manicure, acrylic manicure, and even craft sanding projects, easy to clean with water after use. Reinforced plastic board adds stability and control, making filing smooth and effortless for both beginners and experts. Specifications: Colorebog: Black Substancemail: Spongiform + Polystyrene Sizemail: 17.8x1.9cm Sand grainsecond: 100/180 Package Includes: 5pcs manicure file note: Note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.