Your Nail Health in Your Hands Regular longterm use of high grit genuine Czech glass nail files strengthens hardens finger nails reducing nail splitting chipping peeling allowing you to grow long healthy beautiful nails Comfortable Nail Files feels fantastic on your nails Unlike other nail files these crystal files file in both directions Expertly shape nails with comfort ease efficiency A smooth gentle filing experience with zero irritating scraping sensation 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 files seal the keratin layers leavings nails smooth with no jagged edges Durable LongLasting and Reusable Czech Glass Nail File premium Czech Bohemian glass tempered toughened to ensure the glass is strong wearresistant retains the integrity of the filing surface after multiple uses The surface of an etched glass file lasts longer than nonetched nail files 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