About this item The Healthy Glass Nail File: Upgraded version of nail shine buffer, made of high-density nano glass, a harmless nail tool highly recommended by the skin doctor, 1 minute to a smooth glass-shine! No longer need clear polish, successfully get rid of damage to the surface of nails from inferior grit nail file. Polished Natural Nails: Glass nail file for natural nails use physical principles to achieve the healthy polished nails, achieve shiny and smooth effects and get rid of the common rectangular nails files that bring damage to the surface of the nails and unhealthy chemical nail polish. Long Lasting and Washable Nail Shiner: Wash it directly by running water after each use, Wait for it to dry and put it directly into the case, It can be placed in the office and bag. Suitable For All Types of Nails: Whether you are round or rough and thick nails, smooth out your nail tips, and nail buffer for natural nails can easily polish surface of nails even edges of nails. Create the Affordable, Health-friendly nail buffer and shine kit: 1PC black nano nail shiner +1PC white nano nail shiner + independent case, can bring a healthy and beautiful for your lover and children.