Bona Fide Beauty Glass Nail Care Tool Expertly shape nails with genuine high grit Czech glass nail filers This ombre black red nail 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 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 files seal the keratin layers leavings nails smooth with no jagged edges Nail File With Case Bona Fide Beauty nano glass nail file comes with a ruby red hardcase perfect for protecting your nail file in your purse manicure kit or even while travelling Made of Glass Although tempered Czech glass is stronger and handcrafted with love and care it is still prone to breakage if dropped or tapped against hard surfaces Handle with care and treat it like you would a favorite margarita glass