Whip those nails into shape with durable glass files that might just be prettier than your manicure. This 10 style assortment includes five phrases and five patterns with long lasting grit that cleans easily with soap and water. Filing Trivia - glass files can be used indefinitely, are safer than emery boards, and work perfectly on both natural and synthetic nails! -Durable, long lasting grit -Stays clean with just soap and water -Safe on natural, gel and acrylic nails