The armrests and the legs of the chair, the rings, were made by bending thin slats of solid timber to shape in a mould. The rings for the first Paimio chairs were made in beech. The raw material for the seat was birch-ply and once the beech of which the rings were made had been replaced by birch in 1934, the chair could be marketed as: 100 % Finnish, as far as invention, raw materials and manufacture are concerned.