It is the top of the range of RCR collections, designed for high quality serving. Thin thicknesses that are highly impact resistant due to the high density of its patented material, Luxion?. The design of the glass at the angle of maximum curvature indicates the correct level of wine to be poured, while the tapered bottom of the glass allows you to appreciate the color gradations in their maximum brilliance. Ultra-clear-The most transparent Crystal Glass Durable-Extremely resistant to breakage Lightness-A unique lightness given by pure raw materials Dishwasher safe-Dishwasher tested for more than 4,000 professional dishwasher uses Acoustic-Clear and lively crystal-like sounds Eco-Crystal-100% recyclable. Produced with respect for the environment.