A set of 5 pieces includes: glass nail files 195mm - 2 pieces, 135mm -2 pieces, 90mm.  Bohemia glass nail files are designed for professional manicure and pedicure and are made out of high-quality tempered glass using double-sided etching technology. Due to this manufacturing method Bohemia nail files don’t injure the nail plate but enhance strengthen and protect it from delamination. Bohemian glass is strong and wear-resistant, so the file surface doesn’t scratch, and retains its integrity after multiple uses even. Bohemia nail files are made of environmentally friendly materials and have a non-porous structure, so you can be sure that your cosmetic procedures are completely safe. The harbor bacteria into the material is excluded. It is enough to rinse the nail file with warm water and dry it naturally after use. Bohemia professional nail files are suited for either natural or artificial nails, and help to strengthen the nail plate and get rid of nail fragility. The glass surface of the tool fosters sealing the keratin layers and stimulates cell growth. With regular use of the Bohemia Czech glass nail file, your nails will be healthy and strong, and your manicure will be flawless!