Mont Bleu Set of 3 Glass Nail Files with crystals from SwarovskiQuality matters. So that's what you'll find in every element of these stunning glass nail files that preserve quality where it matters most in your nails.The glossy Czech glass is tempered for extra durability and the crystal nail file comes with a lifetime guarantee and effective coarse filing surface for extra-precision shaping.Built to last, tempered twiceThere is a tempering method that has revolutionized the industry, and it has evolved from the Czech techniques which transformed the production of glass nail files. We utilize these ground breaking practices to ensure our files do not degrade in quality over the years, standing up to frequent use.Crafted from hardened Czech glass alloy, this nail file is renowned for its durability. Our double tempering process multiplies the effect, making them even stronger and allowing you to look after your nails with ease for generations.Swarovski designs, applied by handBefore you start working on your nails, our artists get to work with their fingers. Genuine crystals from Swarovski are applied individually by hand in a painstaking process, which ensures an attractive, stylish file thats as elegant as it is efficient ideal for gifts for Mothers Day, Valentines Day, Birthdays, Christmas & Special Occasions.Practical yet luxuriousHygiene matters as much as durability, and for this reason each of our files comes in a protective black pouch.The ideal set of 3 nail files 90 mm / 3.54" for a purse, 135 mm / 5.32" for work, and large 195 mm / 7.68" for home use. So, whether you're dressed to impress on a girls' night out, working in the office or at home having a relaxing manicure, this really is the only nail file set you'll ever need