Set of 4 12-Ounce (measured to rim) Wine Tasting glasses designed by Peter Steger, professional German sommelier. One single-shaped professional tasting glass allows for the perfect presentation of all variations of wine. Formed of no-lead crystal which is specially heat treated for maximum strength and durability. The large surface exposure of the wine facilitated by this glass concentrates aromas at the mouth (known as the chimney effect.) Machine blown in Germany. 8.25" Height by 3" Diameter.