Adjustable Length O-chain For Jewelry DIY，Covered By 14/18K Real Gold Or Silver

Name: Adjustable Length O-chain For Jewelry DIY

Material: Copper, plated with a layer of gold or silver 

Special note:

All products made of Copper are plated with a layer of gold or silver to create a variety of colors. It's using a good electroplating technology, and the coating is very thick, can maintain the color for a long time.