A favorite among model makers and hobby craftsmen, Testors Hobby Enamels offer fast-drying, easy-to-apply coverage on many types of surfaces. Enamels are suited for application to wood, metal, ABS plastics, glass, and more. The finely ground pigments ensure superb flow and coverage whether applying with a brush, marker, or spray. Use Testors Enamel Brush Cleaner to thin colors to the desired consistency and to remove enamel paints from brushes and airbrushes. Hobby Enamels come in ¼ oz (7.4 ml) glass bottles.