Waterford Crystal Lismore Sapphire Flute Pair Pair of Toasting Flutes, 9.25" H, 6 oz. Crystal Deep sapphire blue Fine crystal should be hand washed in warm soapy water rinsed thoroughly & dried with a lint free cloth. We dont recommend using a dishwasher to clean your crystal as it can dull and damage the surface. Do not turn upside down while drying or storing.