From Schott Zwiesel, the Era Collection Highball Glasses, Set of 4 features: Crafted from patented, lead-free Tritan® crystal for enhanced durability and sparkling clarity, this set of highball glasses made in Germany of regionally-sourced materials.  Set of 4 glasses Tritan® glass crystal Era Collection Brilliant clarity Break resistant Dishwasher safe Measures: 3.5" x 6.5" Capacity: 22.6-oz Imported.