Crafted of scratch-resistant, break-resistant, lead-free Tritan crystal, these champagne coupes add a classic and elegant look to any table. They're also dishwasher safe for easy cleaning.Schott Zwiesel has a 130-year history of innovation and success, responsible for such breakthroughs as the first machine-made stemware, the first lead-free crystal glass, and Tritan crystal, which provides brilliant shine in a durable, dishwasher-safe glass.