Our jewelry is made using high quality sustainable medical-grade stainless steel, which is both hypoallergenic and resistent to rust, oxidation, and discoloration. The jewelry is then plated using the newest technique called PVD (Physical Vapour Deposition), This new, modern way of plating, is ten times thicker than standerd gold plating, is environmentelly friendly and uses a vacuum coating process, resulting in an extremely durable finish. This means that our jewelry are 100% waterproof! so do your daily routine without having to take it off! You can wear your jewelry in the shower, in the pool,to the gym and at the beach, they won't tarnish !