Plastic Champagne Flute Glass - Grand 6 Oz. Unbreakable Polycarbonate. Whether it's Cheers, Prost, or À Votre Santé, the Grand 6 oz. Unbreakable Polycarbonate Plastic Champagne Glasses (Flutes) are ideal for celebrations held in any language! These clear, high-quality unbreakable plastic champage flutes are designed toas alternatives to fragile glass stemware, and are sold by the individual piece (each) - no minimums require! 10 1/4 inches tall x 2 1/4 inches diameter. Polycarbonate plastic champagne glasses are dishwasher-safe (top shelf, regular or normal cycles only, no heat dry cycle).