The Red Wine glass is the perfect glass to suit a variety of red wines. It has been designed to work as a functional and universal instrument for simple wine enjoyment. The glass helps to release the aromas of wines, emphasise fruit, and balance tannins in red wines. This product is made of clear crystal glass. 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.