Nachtmann Vivendi XXL Burgundy Glass by Riedel Glassworks, Set of 6 Set of 6 Nachtmann Vivendi extra large burgundy glasses, 30-1/4-ounce Designed and produced by renowned crystal manufacturer Riedel glassworks Clear glass with a platinum finishing process for durability and brilliant shine Pleasant shape with tulip bowl and elongated stem for a classic European profile Mix and match with Vivendi stems and barware; wash by hand for best care