The Stem Zero collection by Nude Glass is the world's toughest, yet finest, lead-free crystal range, made using Nude Glass's signature 'Ion Shielding' technology. Case in point: this red wine Volcano glass, which elevates classic glassware to chic new heights. The exquisitely simple silhouette boasts a generous bowl, tapered sides and a crystal cut rim. White wine and champagne options are also available.