Finnish Designer Kaj Franck valued only what was essential. Franck believed that what defines a piece was how it is used. He considered his pieces to be refined, versatile, and functional. A perfect example of glassware, the Kartio tumblers highlight iconic Nordic design. The simple design suits any table setting, while being durable enough for everyday use. Iittala's vast colored glass expertise is reflected in the vivid range of Kartio's palette. Featuring the vibrant hue of water green.