Product Description Metal:Real Pure 999 Silver(it is real silver 999,it not plated) Pendant Size:8*8mm Silver Weight:0.15g for each About Certificate: Don't offer certified report,But All Of my items are tested before i get it from factory,you also can retest when you get it.The quality must be guaranteed. Shipping Details 1. Worldwide Shipping. Except some remote areas. 2. We only ship to confirmed order address. Please make sure your eBay address is correct before you pay. 3. Express mail service will usually take 5-10 days. UPS or Fedex will usually take 3-5 Days, if you need this shipping service, pls contact us first. Standard Shipping or Economy shipping service will usually take 10-45 days . 4. Taxes: Buyers will be responsible for any possible import duties,taxes or charges. We will try our best to reduce the risk of the custom duties. Please check with your country's customs office to determine what these additional costs will be prior to buying. If you have any problem, please do not hesitate to contact us first. kind reminders: The above delivery time is provided by the official sources. Considering uncertainty factors during international shipping, the actual delivery time could be shorter or longer in some cases. Thanks for your great understanding. How to clean the blackened silver? Please wipe it with white cotton cloth. The silver will soon recover its luster. Please put toothpaste on the black silver part and gently brush it with a toothbrush. If the oxidation is very serious, you can soak it with silver wiping water and then wipe it with white cotton cloth About the maintenance of silver jewelry color： The chemical properties of silver are relatively active, so it will react with sulfur dioxide in the air to form black silver sulfide, and the surface of silver ornaments will oxidize and turn black. It is best to avoid contact with chemicals such as water and perfume. Discoloration is not a quality problem, and improper use. All of them will seriously fade the color of silver products. If you are not wearing it, please put it in a container that is isolated from the air, such as a sealed bag, jewelry box, which can keep your silver jewelry color and luster longer! Q&A (1) Q: Is this real 999 silver? A: Yeah,The item is real 999 silver,it have stamp 足银,support test. (2) Q: How long will it take to ship from China to my country? A: We will ship it within 1-5 business days after you order, it usually takes 10-35 business days delivered (3) Q: Do you accept return if I don'y like it? A: We offer 30 days return guarantee,you can return it without any reason within 30 days after you receive it. But All returned items MUST BE in their original condition, not worn or altered. (In order to save the postage for both us, so please double check our description about the detial and pictures before you place an order to ensure it is what you like ) (4) Q:Why does silver turn black or yellow? A:During the transportation of package, silver contacts with oxygen and water in the air and oxidizes, so it turns yellow or black. About us Our working time:U.S. Time: Monday to Saturday 4:00pm to 0:00am.We don't work on Sunday.If you send email to us, in our working hours will be resumed within 24 hours.If you we are not satisfied with the product or service ,please contact us before leave feedback,We must give you a satisfactory solution.