Adhering to the Riedel principle of content commands shape, Vinum cuvee prestige wine glasses highlight the aromas and flavors inherent to champagne and sparkling wines while preserving their effervescence. A dot etched it each generates continuous bubbles to ensure your celebration never goes flat. The launch of the machine-made Vinum glass collection by Riedel Glass fundamentally changed the drinking glass culture. It later became the first varietal-specific machine-made glass in history!