This necklace is made of high-quality stainless steel featuring a black ion plated 24" box chain. This genuine stainless-steel necklace brings the modern style you need to wear anywhere. It's tough and eye catching while adding to your everyday look. All our jewelry is made of high-quality materials, using ion plating technology to ensure that it won't tarnish after a long-term use. Stainless Steel jewelry does not tarnish or oxidize, which can last longer than other jewelries. Its durability is unmatched and is amazingly hypoallergenic. Such advantages make it a more popular accessory. * This necklace is made of high quality stainless steel featuring a black ion plated 24” box chain.