"This set contains 4 pieces O Wine Tumbler Happy O in four cheerful springtime colors: azure-blue, violet, cinnabar red and orange. The handy machine-made glass spreads a good mood with its stemless design and the colorful base. The innovative design makes it less susceptible to glass breakage and easy to put into the dishwasher. "O" is the ideal glass for everyday use and for every occasion. It is fun, feels good to hold, looks trendy and it works!