Schott Zwiesel Tritan Crystal Glass Wheat Beer Glass, Set of 6 6-Each Tritan crystal barware pieces; wheat beer style; 16-8/9-ounce capacity; 10-inch tall, 3-1/4-inch wide Made of Tritan crystal; non-lead material composed of titanium oxide and zirconium oxide; Tritan is a world wide patented crystal glass material and manufacturing process; All Tritan products are thermal shock resistant, resist chipping and breakage Completely diswasher safe; will not etch, cloud or discolor for the life of the glass