Schott Zwiesel Tritan Studio Collection All Purpose Wine Tumbler Crystal Glass, Buy 6 Get 2 Free Set of 8 Studio collection stemless all purpose wine tumbler; for use with wine and beverages; 16 ounce capacity, 4.75-inches tall, 3.38-inches wide Tritan crystal glass: non-lead material of titanium and zirconium oxide; resists breakage, chipping, scratching; thermal shock resistant; patented Studio collection: universal shape works for all types of wine and beverages; comfortable for all hand sizes; classic bowl design Completely dishwasher safe; will not etch, cloud or discolor for the life of the glass Made in Germany