Bona Fide Beauty Glass Nail Care Tool Expertly shape with genuine high grit Czech glass nail filers This aqua colored fingernail file glides gently in any direction across the nail with no irritating scraping sensation Perfect nail tool even for those new to doing their own manicure at home Strengthen Smooth and Harden Fingernails At Home achieve healthy fingernails with regular and longterm use of a genuine Czech glass nail file Save time and money by achieving salon results from home Trim Smooth and Shape with Glass Nail Filers forget traditional harmful nail files that tear shred damage the keratin layers of your nails Bona Fide Beauty Czech glass fingernail files seal the keratin layers leavings nails smooth with no jagged edges Easy to Clean To clean a glass nail filer rinse it under cool running water to remove nail dust Apply a small amount of mild soap and optionally use a soft toothbrush to gently scrub the surface Rinse thoroughly let it air dry and once dried it can be used again Its Still Glass Though made of tempered glass the glass nail file can break if dropped or tapped against hard surfaces With proper care a Czech glass file can last a long time making it a reusable and sustainable choice