The Beer glass is perfect for revealing the colour, developing the aroma, and lengthening the palate of beers. This tulip-shaped glass captures the full range of aromatics, dissipates excess carbonation, and helps to maintain a beer head.Ouverture is RIEDEL's entry level series for customers who appreciate a good wine in a great glass. Ouverture is a non-varietal specific collection of functional crystal glasses that will increase the owner's drinking pleasure of wine, beer and spirits. This product is machine-made. This item is dishwasher safe. This pack contains 2 pieces.