Made in Florence, Italy by RCR Crystal, these elegant champagne flutes make a classic addition to any table ware. This set of six 4-ounce Melodia flutes is made of real crystal, but is sturdy enough to be dishwasher safe. Melodia Collection. Set of 6. Material: Crystal. champagne flutes. Made in Florence Italy by RCR Crystal. Holds 4 ounces. Made of crystal. Dishwasher safe. Glass measures 8.5 inches tall.