Oven Required: Yes Cone Burning Range: 06 to 6 Finish: Matte (matte) unless covered with clear glaze Coverage: One coat taken straight out of the can Non-Toxic: Yes Food Safe: Yes, only when fully covered or Covered with non-toxic, food-safe clear glass Use these bright colors for elevated design effects, such as dots, stripes, contrasts and outlines. You can add dimensional details either above or below the glaze