This Riedel Carbernet / Sauvignon Blanc Wineglasses Winewings - 4 Pieces are made for four different wines. This means you will always have the right glass for the right wine! Enjoy a carbernet sauvignon, pinot noir, sauvignon blanc or chardonnay! The Winewings glasses have a special bulge in the chalice that allows the flavors to come out perfectly. Just enough oxygen enters the glass and it ensures that the wine enters the mouth in a certain way. The perfect set for a wine lover.