Schott Zwiesel Tritan Crystal Glass Stemware Full Bodied Red Wine Glass, 23.7-Ounce, Set of 6 6-each Tritan crystal stemware; for use with full bodied red wines; 23.7 ounce capacity; 9.6 inches tall, 4.1 inches wide Tritan crystal: non-lead material made of titanium and zirconium oxide; resists breakage, chipping and scratching; thermal shock resistant; patented Dishwasher safe; do not force bowl tightly over rack prongs; when hand washing or drying, do not twist stem and bowl while holding the other tightly Made in Germany; suggested wine varietals: Cabernet Sauvignon, Bordeaux, Merlot, Syrah, Zinfandel, Malbec, Carmenere, Rioja and Barolo