Performance Tasting Set, 4-pack by Riedel. A perfect package for those who want a little of each. Four grape-specific wine glasses for Cabernet / Merlot, Sauvignon Blanc, Old World Pinot Noir and Oak barrel aged Chardonnay. Perfect "try-on-package" for you who want to test Riedel's range and want to try your hand at your favorite glass. It is also possible to buy several sets and hold wine tastings at home with friends.