Glass materialThe glass nail files are made of high quality natural crystal glass. They are not rusted and will not corrode. The nail file uses sandblasting process the grinding surface is fine the grain of sand is uniform wear-resistant and durable it is not easy to desand.Double-sidedThe glass nail file is double-sided two sides can be used to polish or trim your nails. The edge is smooth to effectively prevent scratching. The fine granular grinding surface lets you feel gently when the file is used on nails. It gives you a smooth and gentle experience while filing.With cansEach glass nail file is equipped with an ABS can. The case can protect the glass nail file from breaking and it is easy to store or carry. The size in front of ABS can is 15 X 2 X 1cm / 5.9 x 0.79 x 0.39 inch you can put it in his pocket or sack to carry anywhere.Necessary in salons and at homeIdeal for all your filing needs nails hobbies crafts. Must have in professional salons and everyday nail art at home. Sometimes you don't have to pay that much at a beauty salon anymore Applicable to manicure nail sets nail beauty nail polish etc. It is suitable for both men and women finger nails toenails and pet nails.6 pieces set There are 6 pieces of glass nail files in the package with 4 different colors (gradient): silver purple blue red pink and green. Each file is packed in an ABS case. The glass nail files are reusable and you can wash them with water after using them. It's easy to clean.