Riedel Ouverture Magnum Glass, Set of 2The wine friendly machine made red wine glass of the glass collection Ouverture is ideal for everyday use. The large size of the bowl helps to release the aromas of the wine, emphasizes fruit and balance tannins. It is Riedel's uncomplicated entry level series for customers who appreciate good reasonable Priced wine. All Riedel glasses are dishwasher safe. Height 7 7 8 inches & Capacity 18 5 8 oz Item Number: 6408 90 Dimensions: 11. 73 x 10. 12 x 2.