This set contains 4 pieces O Wine Tumbler Happy O in four cheerful springtime colours: pink, green, yellow and blue. The handy machine-made softdrink glass of the space-saving glass collection O Wine Tumbler spreads a good mood with its stemless design and the colourful base. The innovative design makes it less susceptible to glass breakage and easy to put into the dishwaser. "O" is the ideal glass for everyday use and for every occasion. It is fun, feels good to hold, looks trendy and it works! All RIEDEL glasses are dishwasher safe.