From Riedel, this merlot glass set features: fine crystal set of 2 glasses approx. 5" capacity approx. 21 oz. dishwasher safe Imported. PROPOSITION 65 WARNINGConsuming foods or beverages that have been kept or served in leaded crystal products or handling products made of leaded crystal will expose you to lead - a chemical known to the State of California to cause birth defects or other reproductive harm.