Duncan INKIT-1 Envision Glaze Kit for Ceramics - Set of 12 Best Selling Colors in 4 Ounce Jars with Free How to Paint Ceramics Booklet Duncan Envision Glazes work with a variety of decorating techniques and produce a smooth and elegant appearance. Intense colors ranging from opaque to translucent. Creamy consistency for excellent brushability. Work in perfect harmony with other Duncan glazes and underglazes for dramatic results. Envision glazes are perfect for ceramists, schools, and finished-ware manufacturers. Envision glazes are designed to mature at cone 06/05. Apply to shelf cone 04 bisque. Certified Non-Toxic and Dinnerware Safe. Made in USA. Kiln required.