3mm as Gold Plated* tarnish resistant Flat Chain 18KGF GFC018 Sold by Foot Size 3mm Thickness 0.5mm Material: 18K Gold Plated Metal: Copper *Skin Friendly *Long Lasting *Water Resistant as Gold Plated * tarnish resistant *******www.BeadsFindingDepot.com******* is 5% less (discount) The color variance happens all the time from screen to screen