Elegant glassware for any occasion. Connoisseur glasses are produced in highest lead free strong and brilliant clear “Crystalline” quality in Germany. The glasses have a classic shape and a thin stem, making them modern and timeless. The glass molds make sure you make the most of your wines, and some of the glasses can be used for both red and white wines. Machine Produced. Lead free crystal. High tensile strength. Can withstand a dishwasher.