Made from several plastic clays with coarse fireclay, plus grog for texture. Excellent for throwing on a wheel, hand building and sculpture, but not suitable for casting. Recommended glaze firing temperature is cone 5, firing range is Cone 5-10. When fired at the recommended temperature of Cone 5-6 in oxidation, the bisque is a warm buff, peppered with dark spots. 50 lb. box, moist. Talc- and gluten-free. AP Seal, non-toxic. Quantity discount not available in retail stores.