Duncan Concepts Underglazes for bisque have a versatile formula that allows for translucent designs with one coat and solid coverage with three. They're also non-toxic and food-safe with the application of three solid coats or when food-safe clear glaze is applied over them. Duncan Concepts work beautifully with other Duncan products, including French Dimensions, Satin Glazes, Crystals Glazes and Courtyard Art Glazes. Shake well. Apply 1 to 3 coats to cone 04 bisque. Let dry. Apply clear dipping or brushing glaze per instructions. Glaze fire to cone 06.