Product Presentation: This tennis chain is made of high quality cubic zirconia, not glass or rhinestone, reflect the sunshine and light, sparkle from any angle viewing, shiny forever as diamond stone, suitable for wedding, engagement, prom, party, pageant or any occasion you want to be more charming. The metal of this necklace is copper plated with real platinum, not alloy, very shiny and bright, not easy to fade. Wearing this elegant and sparkling jewelry set, will make you shine and charming, and gives you confidence wherever you go. Some Jewelry Maintenance Tips: - Keeping away from chemicals or a shower - Keeping away from impacting and scratching - Picking it off when sweating a lot or sleeping - Wiping with a soft cloth when necessary I sincerely recommend our products to you. Its diamond-like shiny appearance makes you the focus of the crowd, and its long-term stable quality that does not fade easily allows you to use it many times. If you have any questions please feel free to contact us by messages. We will try our best to provide you best service.