1High grade material, durable and convenient, help you make the perfect nail shape. 2Moderate thickness, not easy to break, provides you a comfortable and pleasant polishing experience. 3Double-sided rough and fine combination, easy to control the intensity of polishing. 4Stylish and exquisite appearance, suitable for professional salon and home use. 5Easy to file edges, polish uneven place in nail surface, increase the nail surface gloss.