The Alessi 123dl modern glassware was designed by Finnish designer, Harri Koskinen, to be multi-functional. The 123dl glasses come in three sizes to serve the drinking eating needs all day long. The small glass could serve espresso in the morning while acting as a peanut bowl for afternoon snacking. The medium glass can serve juice cappuccinos later red wine. For small spaces for the office kitchen, the Alessi 123dl glassware saves on space by being flexible in its use stacking for storage. 123dl glasses are made of Crystalline glass are dishwasher safe.