Quality: These glass nail files are made of high quality tempered glass that your nails are from splitting and weakening. The glass is strong, wear-resistant & retains the integrity of the filing surface after multiple uses Each nail file is packed in a separate protective case, and finally storage box it is lightweight and convenient to put in your cosmetic bag, purse or for daily travel, and not only can be use for fingernails also for toenails, and can be use for and at-home use Reusable & Easy to Clean: Hygienic non-porous glass surface is not easy to dirty, and they can be cleaned with water and used repeatedly, glass nail files do not corrode, rust or rot Safety Nail Care: The double sided filing surface glass file completes any manicure in any direction without damaging the nail, perfectly shapes natural while leaving ,which can contribute to the good conditions of your nails colour:Red+ red+blue+black Material:glass size:14 x 1.2 x 0.3cm Package Contents: 4 x Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.