Say hello to healthy, smooth nails with the Glassworks Nail File. The glass nail files are tempered for strength, durability, and sustainability. They don't scrape, shred, or produce the "nails on a chalkboard" sensation produced by other nail files. File gently in any direction and store in a hard protective case for long-term nail care. Be the brand expert who shapes their nails with precision and efficiency and give them salon-quality manicure at their fingertips. Glass nail file with a black handle. Long-term use strengthens and hardens nails. ABS protective hard case for storing in any purse or bag.