The 1.5-inch brush blends polyester and China bristle, making it ideal for painting and staining both indoors and outdoors. It works with all paint types, including hobby-style 'Gesso' chalky paints, as well as stains, varnishes, and urethanes. Its varnished hardwood handle, chiseled trim, and steel ferrule ensure durability and a high-quality finish for your home décor needs.