Iittala has strong design roots in glasswares and art glass which can be seen in, for example, the early designs of Aino Aalto glasses designed by Aino Aalto in 1932; Alvar Aalto’s Savoy Vase (Aalto Vase) from 1936; Oiva Toikka’s Birds by Toikka glass birds collection that has been made since 1962, his glassware set Kastehelmi from 1964 and Tapio Wirkkala’s glasses Ultima Thule from 1968.
Iittala har stærke designrødder indenfor glasvarer og glaskunst, hvilket eksempelvis kan ses i glas designet af Aino Aalto i 1932; Alvar Aalto’s Savoy Vase (Aalto Vase) fra 1936; Oiva Toikka’s Fugle af Toikka glasfuglesamling har været fremstillet siden 1962, hans glasvare sæt Kastehelmi fra 1964 og Tapio Wirkkala’s glas Ultima Thule fra 1968.