【10 double-sided nail files】 5 packs of 100/180 grey nail files can be used to shorten the length of gel nails and also work on hard and natural nails. Pack of 5 180/240 grit white nail files make nails super fine and help to work on soft and thin and natural nails. , 【High quality materials】 100/180 and 180/240 nail files are made with high quality adhesive tape and frosted edge materials. Quick and easy to clean and water resistant