Foundations Glazes . Available in Opaque , Sheer and Matte. A perfect base for your ceramic and pottery masterpiece. Use as a stand alone glaze or as a base for majolica and design work. Easy to apply, consistent fired results every time. Combines beautifully with stroke & coats or the jungle gem and crystalite ranges. Great for the class room or studio. Fires from Cone 06 to cone 03. Higher Firing can cause colour variation with some colours. Non-Toxic and Lead Free.Made in the U.S.A.