AMACO Potters Choice Glaze Set 2 contains six assorted colors that includes 1 pint each of chun plum, lustrous jade, seaweed, ironstone, textured, turquoise and saturation gold. Lead-free, high-fire glazes are fired in an oxidation kiln and works well with stoneware or porcelain clays. For best results, apply on Cone 04 bisque. High Fire Glazes, Cone 5-6. Lead free.