Schott Zwiesel Tritan Crystal Glass Stemware Champagne Flute with Effervescence Points 11-1/2-Ounce, Set of 6 6-each Tritan crystal stemware; for use with champagne and sparkling wines; 11.5 ounce capacity; 9.9 inches tall, 3 inches wide Tritan crystal: non-lead material made of titanium and zirconium oxide; resists breakage, chipping and scratching; thermal shock resistant; patented Glass is laser etched with 6 effervescence points; provides continuous stream of bubbles; 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 varietals: champagne, asti, cava, prosecco, demi-sec