Mont Bleu Set of 2 Crystal Nail Files with crystals from Swarovski Quality matters. So that's what you'll find in every element of these stunning crystal 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 twice There is a tempering method that has revolutionized the industry, and it has evolved from the Czech techniques which transformed the production of crystal 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 hand Before you start working on your nails, our artists get to work with their fingers. The intricate crystal design is applied by hand. Genuine crystals from Swarovski are applied individually in a painstaking process, which ensures an attractive, stylish file that’s as elegant as it is efficient – ideal for gifts and occasions. Practical yet luxurious. Files come in a protective black pouch.The perfect universal size 90 and 135 mm long, both 2 mm thick. 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