Schott Zwiesel Basic Bar Designed by World Renowned Mixologist Charles Schumann Tritan Crystal Glass, Allround, 11.3-Ounce, Set of 6 6-each basic bar by Charles Schumann; allround glass style; 11.3 ounce capacity; 5 inches tall by 2.88 inches wide Tritan crystal: non-lead material made of titanium and zirconium oxide; resists breakage, chipping and scratching; thermal shock resistant; patented Classic allround tumbler; medium sized stemless glass with thick base Completely diswasher safe; will not etch, cloud or discolor for the life of the glass Made in Germany; well suited for tropical drinks: rum runner, swimming pool