Schott Zwiesel Tritan Crystal Glass Grappa Stemware, Set of 6 6 Each Tritan crystal glass stemware; for use with grappa or spirits; 3.8-ounce capacity; 7-1/2-inch tall, 2.3-inch wide Tritan crystal glass: non-lead material of titanium and zirconium oxide; resists breakage, chipping, scratching; thermal shock resistant; patented Completely 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