This necklace is solid just like the real gold chain, made of Stainless Steel and covered in high polished 14K Gold Finish, with lobster claw lock for secure fit. This chain is a classic!!! Available in 14K Gold Finish and White Gold Finish Width/Thickness: 2mm – 3mm – 4mm – 5mm – 6mm. Size/Length: 18″ Necklace – 20″ – 22″ – 24″ – 26″.