From the Pure collection by Schott Zwiesel, these Cabernet glasses feature: smooth, sleek design patented lead-free Tritan® crystal for enhanced durability and sparkling clarity tall, large bowl that allows wine to breathe out rich aromas and proceed directly to the back of the mouth, allowing for maximum flavor striking chimneys that allow wine to breathe while underscoring even the most delicate of bouquets Highly robust and scratch-resistant approx. 18.2-oz. capacity each set of 4 Imported.