This set of six Pure Martini glasses from Schott Zwiesel puts a contemporary spin on a classic barware essential. The Pure stemware collection from Schott Zwiesel features a postmodern design with a dramatically angled bowl. Schott Zwiesel lead-free crystal glass stemware contains zirconium and titanium for unmatched brilliance and strength. It is dishwasher safe and scratch-, chip-, stain- and break-resistant.