Schott Zwiesel Tritan Crystal Glass Saucer Champagne, 9-1/2-Ounce, Set of 6 6 Tritan crystal, saucer champagne glasses 9-1/2 ounce capacity; 6 inches tall, 4.2 inches wide Made of Tritan crystal; non-lead material composed of titanium oxide and zirconium oxide. Tritan is a strong, unique crystal glass material patented world-wide Diswasher safe; do not force bowl tightly over dishwasher rack prongs. If hand washing or drying, do not twist stem and bowl while holding one or the other tightly. Made in Germany