Riedel O  Wine Tumbler Chardonnay/Viognier, Set of 2 Set of two stemless fine crystal chardonnay glasses The bowl shapes are identical to those of the tried and tested vinum series Capacity is 11 1/4 ounces and glass Height is 3 7/8 inches Riedel O is the ideal glass for everyday use and for every occasion. Dishwasher safe