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. The Kartio 7 oz tumbler highlights 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. Add a touch of nature to your table with iittala's colored Moss Green glass.