Our jewelry are made of genuine high-grade material, as long as the proper maintenance, ensure wearing years still bright as new. We strive to provide our customers cheap and cheerful products. You needn't worry about losing money because we offer 60-day money back guarantee or exchange for all products sold by us. they don't need to use very expensive maintenance water, just to avoid acid-base and moist environment. Humid conditions include: don't wear when shower, washing face, sweating, deposit before application of dry cloth to wipe dry; when jewelry don't wear should be placed into the box which has desiccant inside. Specific maintenance are as follows: 1. Jewelry often replaced, the same piece of jewelry, should avoid wearing long time, especially in hot summer, jewelry coating easy to corrosion when long-term contact sweat, so it is best to prepare several pieces as replacements. 2. Easy to damage when exposure with chemicals, bathed in the fragrance, chlorine in swimming, and the salt water of the sea, all will cause etch to jewelry plating, so should remove all before a bath or swim. 3. Don't overlap, collision chafed, should be stored in the original packaging or in the box of the independent small grid, avoid to scraping surface. 4. Regularly clean jewelry, choose soft hair brush sweep clean the surface to remove surface stains.