The Cabernet glass is perfect for full-bodied, complex red wines that are high in tannin. The generous size of this glass allows the bouquet to develop fully, and smooths out the rough edges. It emphasizes the fruit, playing down the bitter qualities of the tannin, and allows wines to achieve balance. This product is machine-made. This set is offered at an attractive price advantage and contains 6 pieces. This item is dishwasher safe. The Cabernet glass is perfect for full-bodied, complex red wines that are high in tannin. The generous size of this glass allows the bouquet to develop fully, and smooths out the rough edges. It emphasizes the fruit, playing down the bitter qualities of the tannin, and allows wines to achieve balance.Since its introduction in 2004, The O Wine Tumbler has become one of RIEDEL’S most popular collections. This fun series was created by Maximilian Riedel and says hello to casual wine enjoyment - and goodbye to broken stems! His ingenious creation uses the functional bowl shapes from Vinum, our original Grape Varietal Specific collection.