The diamond-shaped machine-made Riesling glass of the eye-catching glass collection extreme is focused on new world wines The shape of the glass best supports floral white wines – aroma and taste are dominated by fermented grape juice and the flavour of yeast The extreme glasses derive their name from their extreme contours All Riedel glasses are dishwasher safe Capacity is 17.28 ounces; glass size is 3.42x3.42x9.45(Inches)