This 3.5 in (9cm) GERmanikure crystal glass file is handcrafted in the Czech Republic (look for the numbered authentication hologram) from 3mm thick Bohemian glass formulated and tempered against breaking. The texture is permanently etched directly into the glass and never wears off. Use it wet or dry on natural nails as well as acrylics. File both directions without causing microscopic frays and gouges. Mini size is perfect for pocket,purse or travel bag. Never be without your favorite file again! // Uniform surface texture provides a strong smooth,polished nail edge // Cleans easily with soap & water yet durable enough for a chemical bath or high heat sterilizer // Chemically tempered to resist breaking. While all glass can break,a drop from a short height will,in most cases,not break the file. // Free fitted leather sleeve protects the file. // Non-toxic and LEAD-FREE // GERmanikure believes in long tool life,healthful living,and good environmental stewardship. Each file is made in the Czech Republic by fairly paid adult artisans. This item is guaranteed free from unethical workmanship like child labo