The world’s oldest glass manufacturer, Spiegelau, is known for their impeccable quality and design. These qualities are noticeably showcased in the Spiegelau 6-pc. Ultimate Beer Glass Set. This set was made for the enhancement and pleasure of consuming fine beers. The set includes two 24-oz. wheat pilsner glasses, two 19-oz. lager pilsner glasses, and two 15-oz stemmed pilsner glasses.