The Sol chain is made of high-quality stainless steel. For the gold piece, we have added an 18-carat PVD gold plating. This means you will enjoy your new favorite piece of jewelry for a long time. For an even longer life, we recommend removing the jewelry in water, during sports, or similar activities. Our jewelry is waterproof, nickel-free, and durable. The Sol jewelry piece is also available in a set with the matching Sol bracelet. Details: Material: Stainless steel Finish: 18k gold plating Dimensions: 43-48cm Pendant size: 1.5cm