Set of 6 Burgundy red wine glasses in the Sensa collection;Tritan crystal glass: patented process combining titanium and zirconium oxide; resists breakage, chipping, scratching; thermal shock resistant; brilliant claritySensa Collection: features a wide bowl for aeration and a narrow opening to keep aromas within the glass; a modern and updated silhouette; great for casual settingsCompletely dishwasher safe; do not force bowl tightly over dishwasher rack prongs; do not twist stem and bowl while holding one or the other tightlyMade in Germany; s