OPI Nail Lacquer Base Coat, Natural Nail, 0.5 fl. oz. Go to amazon.com Related posts 10 best base coat for 2022 FeatureOPI Classic Nail EssentialsPrevents staining of natural nailsPromote linger-lasting manicureThis item is not for sale in Catalina Island DescriptionOriginal Nail Lacquer Base Coat designed to extend the wear of your polish and prevent nail discoloration from color application.