Made of high-quality Tritan crystal glass. Dishwasher-safe. 18.2 ounces holding capacity per glass. Dimensions: 3.6W x 9.6H inches. Created of high-quality Tritan crystal glass, these gorgeous glasses have a lasting elegance. No longer is classic, high-quality tableware the sole domain of fancy restaurants only. With main headquarters in Sterling, Virginia, Fortessa also operates internationally, and can be found wherever fine dining is appreciated. Make sure your home is one of those places by exploring Fortessa's innovative collections.