Chefmaster Airbrush Spray Food Color, 9-Ounce, Royal Blue For use with an airbrush to spray and color Icings, buttercream, Fondant, Gumpaste, Cookie Dough A rainbow of colors is available from Chefmaster, ready to blend together for creating your own custom shades. By adding just a small amount of this concentrated formula you can achieve the exact shade you want without watering down your product. Certified kosher by United States K of Los Angeles, California. Rabbi Yehudah Bukspan, Supervisor Manufactured in an AIB (American Institute of Baking) approved facility