Riedel Vinum Tasting Glasses, Set of 6 Set of six glasses designed to evaluate different wines in short period of time Hollow stem holds 5/8 ounce or two sips for efficient measuring of tasting quantities Larger volume emphasizes complex aromas; wider opening for comfortable sipping Machine-made of over 24 percent lead crystal 14-7/8-ounce capacity; 6-3/8 inches tall