Set of 6 Bar Special Hurricane Stemware. 18 ounce Capacity, 7.25 inches Tall. Tritan crystal glass: non-lead material of titanium and zirconium oxide, resists breakage, chipping, scratching, thermal shock resistant. Tritan crystal that maintains its sparkling clarity through years of daily use and entertaining. Patented. Schott Zwiesel's Tritan Bar Special glasses offer exquisite crystal stemware at a reasonable price.