This is a Nice Pair of Dangle Earrings Made with Imperial Jasper and Copper Comes With Sterling Silver Ear-wires Gift Box or Gift Bag Avalible for $1.00 $4.75 Shipping to all 50 U.S. States With Tracking. -Please Read before Ordering- The kinds of metals (Sterling Silver, Copper, Brass) used in the jewelry I make are left natural (unsealed) and will develop a natural patina overtime. Metal oxidizes over time when it comes in contact with oxygen in the environment and skin. For A many people the acids in your skin combine with metal and make copper or silver salts which are greenish or gray. They are harmless and just wash off.