Stainless steel18k gold platedWaterproofHypoallergenic Size 1.1cm /0.6cm Weight: 7.6 Follow me IG valent_accessories They are stainless steels and gold details, we have added 18K gold plating. This means that 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 free of nickel, lead or cadmium... which makes it hypoallergenic. Gold Details, Ring Necklace, Gold Plating, Ring Earrings, Necklaces Bracelets, All Products, Follow Me, 18k Gold, Gold Plate