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. Details: Includes Hematite and Moonstone colors 0.50 fl. oz. (15 mL) 2 bottles Fast-drying Permanent Opaque Conforms to ASTM D-4236