REVLON Bacteria Shield Glass Nail File: This nail file features a patented Anti-Bacterial Finish that resists bacteria, making it hygienic for your nail grooming routine. Its 2-in-1 design allows you to shape and smooth your nails with ease. Crafted with high-quality glass, this nail care tool delivers the ultimate file experience. For best results, ensure your nails are completely dry before filing to avoid damage and peeling. After use, simply place it under sunlight or UV light for 2 hours to sterilize. Perfect for sensitive nails and skin.