Performance Range by Riedel- Material: Crystal Glass- Capacity: 375ml- Dimensions: H24.5cm x D9cm - Pack Size: 2 Champagne Glasses- Dishwasher SafeThe machine-made champagne/sparkling wine glass, from the technologically advanced glass collection Performance, is the new ultimate loudspeaker for fine champagne. The larger rim diameter enables the aromas of champagne to be released in a way which is not achieved when using a narrow flute. The glass also includes a \'sparkling point\' to aid the formation of the Champagne bubbles.Performance is the first Riedel wine glass series ever to feature bowls with a light optic impact, which not only adds a pleasing visual aspect to the bowl, but also increases the inner surface area. All Riedel glasses are dishwasher safe.