Seven earthen colors which are perfect for highlighting and accentuating. Prepared in a special suspension solution for an easy, even application. Can be used for drawing designs and patterns under or over the glaze application. These oxides do not contain lead and are safe for food and beverage containers when fired. Available in liquid and pints only. Designed for up to Cone 5. You will begin to see discoloration and fading above that. Green, Blue and Black will be more tolerant of higher cone than the other colors.