Stack Ring Waterproof, Tarnish Free, Hypoallergenic Details: • MATERIAL: PVD, 18K gold plated over stainless steel • Size: US 7 What is PVD Jewelry? Physical Vapor Deposition, is a process used to coat jewelry with a thin layer of metal. PVD have several environmental benefits compared to traditional gold plating, vermeil, and other metal finishes. Benefits & Advantages of PVD One of the primary benefits of PVD coatings is that they are much more durable than traditional gold plating. Gold plating can wear off over time, particularly when the jewelry is subjected to frequent wear or chemicals. PVD coatings, on the other hand, are much more resistant to wear and tear and can last for years without needing to be re-plated. This not only makes PVD-coated jewelry more economical in the long run, but it also reduces the environmental impact of the jewelry manufacturing process, as it reduces the need for frequent re-plating and the associated chemical waste. How is it Eco-Friendly?