Descriptions: Gold is dipped with 20-50 micro inches of Gold. On the top of the gold, there is a layer of Tarniban, an organic coating that gives protection and adds to the hardness. Top quality jewelry. Tested with Fischer X-ray spectrometer machine which allows us to get precise measurements of Gold. It gives us a reliable coating analysis of an exact thickness of jewelry. Payment and Shipping: we accept payments through PayPal, debit or credit cards. We offer USPS standard 3-5 days shipping. Return policy: 100% satisfaction to your purchase, please feel free to contact us via ebay messages about returning the item within 14 days of purchases. Restocking fees will be applied to the refund up to 15%. If the item is returned in an unusable state due to the misuse, intentional harm or color change to the product, the refund will be charged up to 50% restocking fee. For your own health condition, we do not take any responsibilities if you are allergic to the product. Thank you for your understanding.