Schott Zwiesel Banquet Cocktail Glasses. In the hard to find 8.8oz. The boxes are a little worn. The glasses are perfect. Brand: Schott Zwiesel Material: Glass Whiskey Cocktail Glass Capacity 8.8 Fluid Ounces Made in Germany 6 Each Banquet collection barware; for use as a rocks or juice glass; 8.8-ounce capacity; 2.9-inch tall, 3-1/5-inch wide Made of Tritan crystal; composed of titanium oxide and zirconium oxide; Tritan is a world wide patented crystal glass material Banquet barware collection: features a classic, rounded profile design Completely diswasher safe; will not etch, cloud or discolor for the life of the glass