Zwiesel Glas is dedicated to serving the world’s most demanding guests and finest hosts. Almost 150 years of glass craftsmanship, tradition and passion are now adopting a confident new form: Zwiesel Glas. Zwiesel Glas. The umbrella brand represents the entire experience of their brands Zwiesel 1872, Schott Zwiesel, and Jenaer Glas. It appropriately represents the full experiences of our Zwiesel 1872 and Schott Zwiesel brands, while reflecting our enduring passion to create the extraordinary and their aim to keep innovating in the future. Explore the myriad of glassware collections that exude timeless passion, elegance, and the extraordinary.