Amaco F-Series Glazes, ceramic glazes, pottery glazes, Amaco F-Series Glazes are fritted and lead-free. These intense, semi-opaque brilliant colors fire with a high gloss and are safe enough to be used on pottery dishes. Come in ready-to-use liquid form., Best Selling Low-Fire Glazes and Effects,Ceramic and Pottery Glazes,Ceramic and Pottery Glazes Classroom Packs,Ceramic Glaze Classroom Packs,Ceramics and Sculpture,Ceramics and Sculpture Classroom Packs,Classroom Packs,Kids’ Art Supplies and More,Low-Fire Glazes,Low-Fire Glazes and Effects, Amaco F-Series Glazes,Amethyst,16 oz (472 ml),,,,,,,Semi-Opaque