Two in one necklace Stainless steel18k gold platedWaterproofHypoallergenic Weight:9.4G Follow me IG valent_accessories We have added a genuine 18 karat gold plating. This means the color will last a long time (at least a few years). It does not discolor and has no scratches. All our products are made of stainless steel, so they are waterproof. All products are nickel and lead free, so they are hypoallergenic.