Crystaltex Low Fire (Cone 05) Glazes Class Pack No. 3 All colors in this class pack are LEAD FREE and AP Non-Toxic. This class pack contains one pint each of the following Crystaltex glazes: CTL-67 Summer Mango, CTL-47 Tangerine Dream, CTL-23 Moody Blue, CTL-44 Turritella, CTL-45 Sunset Jewel, and CTL-42 Fantasia. AMACO?? reserves the right to substitute a glaze or underglaze of similar color and equal or greater value when necessary and without prior notice.