The Luigi Bormioli black swirl glasses are attractive enough to serve guests yet durable enough to withstand every day use. These double old fashioned glasses have black swirling designs running casually across the sides of the glass. They have non-slip bottoms to prevent accidents. These Luigi Bormioli wine glasses can hold up to 14 ounces of beverage. They"re made of high-quality glass for durability. These drinking glassware pieces are easy to clean and maintain.