Iittala Glassware Dining and Entertaining Kartio Tumbler, Grey, Large - Constant simplicity today, nearly fifty years after Kartio was created, it is still one of the world's most highly regarded everyday glass series. Kaj Franck pared away all the excel and left the geometric shape and the different colors as the only decoration. Accessories such as carafes, vases and candleholders are also included in the series.