Mayco's Fundamentals Underglaze has consistent color that fires to a matte finish. For use on greenware or bisque and they have a firing range from cone 06 to cone 10. They can be applied in various techniques and can be diluted to use like watercolor. Colors are intermixable and are food safe when topped by a clear glaze. This set of 12 colors in 2oz jars includes China White, Bright Yellow, Orange, Fire Engine Red, Dragon Red, Regal Purple, Bright Blue, Kings Blue, Apple Green, Leaf Green, Chocolate & Jet Black.