RANGER-Vintaj: Patina.Vintaj Patinas are opaque inks that have been specially formulated to adhere to metal.Use them to create beautiful; durable; permanent patina effects.The ink is fast drying and can be heat-set for added durability.Each package contains three colours of patina; each bottle has .5 fl-oz (15mL).Available in several colour sets (each sold separately).Conforms to ASTM D-4236.Made in USA.