The Riedel connoisseur will be surprised to find that this new glass series has something missing - there is no stem or base. So what is "O"?In short: "O" is the ideal glass for every day use and for every occasion. It is fun, feels good to hold, looks trendy and it works! A glass which is easy to use. It fits in every dishwasher, picnic basket, minibar or small kitchen. Broken stems are a thing of the past.