Vinum Extreme is the latest development in Riedelīs machine-made "Gourmet Glass Concept". The inspiration for this development can be attributed to three factors: The steady improvement in wine quality, to more dense, more concentrated and more perfect wines, which call for the development of new shapes. To translate a wines message in a perfect way. To the progress that has been made in the features and quality of machine production. Measuring 9 1/2 in" (240mm), and holds 16 1/4 oz. (460ccm)