NutriSource PureVita Skin & Coat Dog Treats 6 oz. bagPureVita Skin and Coat treats are made with fresh salmon which contains a unique and powerful protein, Omega 6 and 3 fatty acids. PureVita Skin and Coat treats contain added zinc proteinate, important for supple skin and a shiny coat. PureVita Skin and Coat treats contain Blueberries, Pomegranate and extra Vitamin C.