The Longdrink glass is perfect for complimenting any table setting, from elegant to casual. Optical O is based on the popular ‘O’ series of stemless wine glasses, designed by Maximilian J. Riedel, with optical blown glass that enhances its design. This product is made of clear crystal glass. The RIEDEL Tumbler Collection presents a range of must-have glasses for all cocktail and spirits lovers. Working with nostalgia for retro, heavy-based glasses, this series offers a range of stunning designs for barware connoisseurs. Discover the versatility of these stylish yet traditional glasses for drinks enjoyment, with designs inspired by the glamorous Art Nouveau period. This product is machine-made. This item is dishwasher safe. This pack contains 2 pieces.