Keep your jewelry dry if you want your copper jewelry to maintain its luster.
Each piece is sealed with Protectaclear, which is a high quality finish. However, it is recommended to avoid excess water exposure along with any chemicals you may come into contact with. Taking your jewelry off when you are sleeping and bathing will make your jewelry last indefinitely. Store in a safe, dry place when not in use.
Read more on jewelry care in my blog post "4 Simple Care Tips for Your Copper Jewelry" here.