Schott Zwiesel Tritan Crystal Barware Tossa Collection Beer Tumbler/Highball 8.3-oz, (Set of 6) Tritan resists the damages of daily use-breakage, chipping and scratching. Tritan is thermal shock resistant. Tritan is one of the most clear and brilliant crystal, capable of conducting, refracting and transferring light more than any other crystal. Tritan tempers the rim, the bowl and stem joint and the foot edge for added strength against chipping and breakage. Each detail of size, weight and balance is carefully studied by experts in the culinary field to produce a glass with focus on delivering the wine or spirit to its maximum potential. The Forte collection univesal tumbler glass is designed with a beautiful soft tapered bowl. This set of 6 Tritan crystal glasses is well suited as a beverage, collins, and long drink glass. It has a 19.1 ounce capacity and measures 5 " tall by 3.75 " wide. Dishwasher safe, it will not etch, cloud or discolor for the life of the glass. Dimensions: 0″ x 2.6″ x 5.9″.