Set of six whiskey glasses made from Tritan® crystal glass invented by Schott Zwiesel. It is a patented material that uses oxides of titanium and zirconium and is entirely lead and barium free. Set of six Crystal glass Dishwasher safe Made in Germany SIZING Capacity, 14.7 oz. Center Core - Home And Gifts > Saks Off 5th > Barneys Warehouse. Schott Zwiesel.