This Review Title is UPDATE: Best way to keep healthy nails and the content is: UPDATE: I received the new improved nail file. The edges are wonderful and fit comfortably under the sides of your nail. I love the glass nail files. Easy to keep clean and If you've researched nail care you will find that glass nail files leave the smoothest edges without damaging the nail.<br />You can feel the difference..There are other information for this review, one is This reviewer did purchase it and the other is 3 people think this review is helpful.