Authentic Czech Glass Nail File - a Bona Fide Beauty premium nail file for natural nails. Also known as a crystal nail file, this nail file can be used regularly to achieve strong and healthy nails. This nail file is suitable for all nail types (thin, sensitive, thick, and more). Nail Files of Salon Quality - this pastel green and purple Czech glass file feels luxurious and is comfortable to use on your own nails. Bona Fide Beauty Czech glass nail files are genuine products! Made from genuine "Bohemian" crystal glass and crafted in Czech Republic. Achieve a salon experience from home. Smooth Out and Shape with Glass Nail Files - unlike other nail files, Czech glass files can be used in both directions. Trim and shape natural nails professionally with comfort and efficiency. Start with a light pressure when filing your nails and increase pressure once you feel comfortable. Each filing smooths and polishes the nail edge. Gift-friendly, durable and reusable Czech Glass Files - Bona Fide Beauty nail files are hardened (reinforced) to ensure this manicure tool lasts longer. The high grit is part of the nail file's body and is not sprayed on.