99.9% Pure Copper Necklace Cuban Curb Chain- 5, 7, 9, 12mm Widths 18"-26" Length

The chain itself is 99.9% pure solid copper. ???? 99.9% Solid Copper – Not Plated ???? Made from pure, uncoated 99.9% copper — no fillers, no plating. Want it brighter?. Just polish with a soft cloth or copper cleaner to bring back the original shine.