16.5"+2" ext., Blue/Multicolor Evil Eye Pendant/Chain, 18 KYG PVD on Stain.Steel

16.5"+2" ext., Blue/Multicolor Evil Eye Pendant/Chain, 18 KYG PVD on Stain.Steel * 16.5 inch chain with a 2 inch extender * Evil Eye Pendant, Stainless Steel with 18K Yellow Gold What is PVD? * Physical vapor deposition (PVD) is a vacuum-based process that creates thin, hard, and protective coatings on a variety of materials. Will PVD coatings last? * PVD coating can last anywhere from 10 years to hundreds of years. * However, the PVD process increases the durability of the substrate by bonding a thin layer of metal to the surface. * This layer is removed through an annealing process and then replaced with a new layer.