Riedel Wine Series Cabernet/Merlot Glass, Set of 4 Set of 4 red wine glasses 21-1/2-ounce capacity; 9-1/4 inches high Modeled on Riedel's more expensive Vinum series Also recommended for red Bordeaux, Rioja, and Tempranillo Machine-made from premium non-leaded glass by world-renowned glassmakers