Cobalt Blue Schott Zwiesel Tritan Crystal Glass Paris Barware Collection Old Fashioned with Colored Accent 10 oz. - Set of 4 - Additional Vibrant Colors Available by TableTop King Set includes 4 Schott Zwiesel Tritan Crystal Glass Paris Barware Collection Old Fashioned 10 oz. Tritan crystal glass: non-lead material of titanium and zicronium oxide; resists breakage, chipping, scratching; thermal shock resistant. Paris barware collection: features an oversized weighted bottom glass styling, offset by tall straight sides. A unique glass for any bar collection. Set of 4 glasses