Pure Cabernet Stemmed Wine Glass SetDeveloped in collaboration with the University of Erlangen after years of study and extensive third party testing, patented Schott Zwiesel Tritan Crystal glass incorporates titanium and zirconium for exceptional durability and clarity. The Pure collection glasses feature a steep, angular design and exceptional clarity to provide a beautiful showcase for the most sophisticated of Cabernets. This German made glass is made with a laser cut tempered and