Schott Zwiesel Tossa Long Drink XL Glasses - Set of 6 Set of 6 Tossa Long Drink XL Glasses. 19.3 ounce Capacity, 7.75 inches Tall. Tritan crystal glass: non-lead material of titanium and zirconium oxide, resists breakage, chipping, scratching, thermal shock resistant. Tritan crystal that maintains its sparkling clarity through years of daily use and entertaining. Patented. Tossa barware collection: oversized weighted bottom glass styling offset by its tall angular sides. Completely dishwasher safe; do not force bowl tightly over dishwasher rack prongs; do not twist stem and bowl while holding one or the other tightly. Made in Germany.