Exceptional Quality: These glass nail files are crafted from premium tempered glass using double-sided etched technology, ensuring your nails won't crack or weaken. The glass is strong, durable, and maintains its filing surface integrity after multiple uses. Color & Packaging: 20 nail files with 10 unique high-quality gradient colors, each with a separate cloth, all neatly packaged in a storage box. This super value pack is the perfect choice for you. Easy to Carry: Each nail file measures 140 x 12 x 3 mm – lightweight, compact, and convenient to slip into your cosmetic bag, purse, or handbag for daily travel. Suitable for both fingernails and toenails, perfect for salon and home use. Reusable & Washable: The glass nail file's surface is easy to clean and resists dirt, making it reusable and durable. Hygienic, non-porous glass nail files won't corrode, rust, or rot. Safe Nail Care: The double-sided smooth filing surface of the glass file perfects any manicure in any direction without damaging the nail, shaping natural nails while leaving them smooth and contributing to their healthy condition. Suitable for seniors and children.