Schott Zwiesel: Schott Zwiesel | Part #: 0003.106227CPD | UPC: 646292162271
A large capacity Burgundy 27.5 ounce glass. Made with Schott Zwiesel Tritan technology. Tritan glass is titanium crystal instead of normal lead crystal. There is little difference in weight and feel, but a major difference in durability. Tritan crystal can take a shock without breaking.