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 colors of patina, each bottle has .5 fl-oz (15mL). Available in several color sets (each sold separately). Conforms to ASTM D-4236. Made in USA. This package contains onyx, ochre, and agate.