Vinum by Riedel consists of 21 different water, spirits and wine glasses all made out of crystal. This makes Vinum the largest product line from Riedel. Vinum is famous all over the world for its design and it takes up to 2 years for the wine experts to find the perfect form for the wineglass for the grapes. The basic idea is the same as for the Sommelier series, a wine glass for each grape. All Vinum glasses can be washed in the machine.