Schott Zwiesel Tritan Crystal Glass Congresso Stemware Collection, Red and White Wine Glasses, Set of 12 6 red wine glasses (Burgundy), and 6 bonus white wine glasses (Bourdeaux) Tritan crystal glass: non-lead material of titanium and zirconium oxide; resists breakage, chipping, scratching; thermal shock resistant; patented Congresso Collection: great for everyday use; versatile; all purpose; basic shape with shorter stems Dishwasher safe Made in Germany