The Quartz Stemless Wine Glasses from Trudeau brings style to the table while maximizing your wine tasting experience. It's made in Czech Republic, in the Bohemia region, renowned for its source of superior raw materials and centuries of high level craftmanship. The glasses are made of lead free crystalline reinforced with titanium, to add more resistance and brilliance to the glasses. This perfect composition allows us to offer a 25-year warranty. The rim is laser cut and fire polished. It is also tempered for more resistance. Dishwasher safe for a worry-free cleanup.