Made from top quality all copper, (not plated). This is a machine made chain and each little 6mm ball has a teeny little seam. There is a light seal of lacquer on this chain that doesn't last for very long. So if you like to keep your copper bright, I would suggest buying a can of shiny lacquer and going over the chain, once again, (I like Rustoleum brand). Or just let it turn into a "copper penny" color if you like the rustic look.