1. Green for Grinding, White for Fine Polishing: The green side is used for grinding and shaping, while the white side is used for fine polishing, providing different polishing effects to meet various needs. 2. Wear-resistant Design: Made of high-quality wear-resistant materials, the polishing board is treated with a special process, offering excellent durability and resistance to wear, suitable for long-term use, and an essential tool for nail care. 3. Multifunctional Use: Suitable for grinding and polishing nails, antique beads, and cleaning fish tanks, helping to create a smoother and more even surface. Easy to use. 4. Applicable Scope: Fine grinding of antique items, polishing and creating a patina effect 5. Material: EVA + Sponge 6. Dimensions: 90 x 40 x 14mm