About This Double-Ended Glass Nail Files: This set includes 4 nano-glass nail files in different colors, offering both style and practicality for personal or professional use. Durable Nano-Glass Material: Made from high-quality nano-glass that is wear-resistant, sand-free, and washable, allowing for repeated use without deterioration. Gentle & Safe on Nails: The ultra-fine surface particles ensure smooth, even filing without damaging the nail plate or leaving rough edges, keeping your nails strong and healthy. Chemical-Free Physical Grinding: No chemicals needed—safe and natural nail shaping and maintenance. Easy to clean with water and can be disinfected for hygienic reuse. Multi-Functional & Portable: Perfect for cleaning cuticles, pushing back dead skin, shortening nails, and assisting in nail art tasks like placing gems. Compact size (10.2cm x 0.6cm) ensures easy handling and portability. Overview Color : Glass Nail Files Material : Glass Brand : JERCLITY Model Name : JMJB185 Grit Type : Extra Fine