This thick copper ring is made of hammered copper. She can be sized to fit you more, and if your ring size ever changes, you can bring it back to me to adjust! This is a great option for a gift or for a ever-changing body! 
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Solid copper; please note: copper is very likely to oxidize on most people's skin and can leave a gray mark where your ring sits. If this will bother you, copper may not be right for you, and that's ok! (This mark can be removed with soap and water)