The Meaning: This opal friendship necklace expresses the love you have for your best friend. She is your confidante, your rock, your most fun companion, and you are soul sisters. Perfect gifts for friends, as a way to say thank you for being a friend! Metal & Size: The opal bar necklace is plated by 14k rose gold over brass. Exquisite polish technique made every details smooth and bright, Nickel free, Environmental lead free and hypoallergenic, The pendant diameter: 0.6 * 0.65inch( 15mm * 16mm),chain: 16-18 (16 with a 2 Extender) suits for any age group and any outfits Ideal Gift Choice: It comes in a pretty black gift box and elegant card, This simple opal necklace suits for any age group, makes a wonderful gift for any occasion, and it complements just about any outfit. Get your loved one some extra spar kle this year for winter and Christmas! Shipment fulfilled by Amazon, enjoy the fast and safe delivery. How to protect your opal : Avoid water pools & spas, avoid cosmetics and other chemicals, remove when sleeping, exercising, or doing other physically strenuous activities, sealed with separate storage in a box to prevent scratches or blows. Satisfaction guarantee: 60 Days No-Reason money back guarantee return, You happy is our happy. OLD RUBIN is committed to provide the best jewelry and the best services to our customers, your feedback is our motivations to improve. We are looking forward to your review. If you have any question, Please feel free contact with us??