These whisky glasses come from the Show series of the Schott Zwiesel brand. These glasses have a timeless and modern design. This makes them the eye-catcher on every table and suitable for any environment. The glasses are dishwasher safe . Schott Zwiesel glasses are designed for high-end hotels and restaurants. By getting them yourself, you are not just buying a glass, but you are treating yourself to the ultimate drinking experience. The glasses are made of Tritan Crystal glass and, even after frequent use, remain unbreakable, scratch-resistant and retain their shape.