186 mm - 7-1/3 in. 540 ml - 19 oz. 82 mm - 3-2/9 in. Craft beer glasses tasting approved. In collaboration with Dogfish Head. Craft Brewed Ales. Sierra Nevada. In collaboration with two of the leading IPA brewers in the United States, Sam Calagione of Dogfish Head and Ken Grossman of Sierra Nevada, Spiegelau has created the new standard for IPA beer glassware. Designed to showcase the complex and alluring aromatic profiles of American hop-forward IPA beers, preserve a frothy head, enhance taste and mouthfeel, and present a comfortably wide opening for the drinker to savor each beer, Spiegelau's latest design is the go-to vessel for enjoying IPA. Certified dishwasher safe. Improved breakage resistance. Brilliant clarity. High performance at every occasion. Food safe. www.spiegelau.com. Reddot Award 2015 winner. International Design Excellence Awards '15 Gold. Certified environmental management. Designed in Germany. Made in Czech Republic.