Necklace of unknown material. The color is beautiful. Thank you for looking. No returns or refunds due to prevention of fraudulent exchanges! No consultations or changes after purchase! Please ask any questions you may have! After purchase, it will be considered that you have agreed to the terms under any circumstances! After shipping, the package will be tracked using the tracking number! Please complete the receipt confirmation within 24 hours of receiving the item. Thank you for your cooperation. Thank you for looking.