Plastic chairs UPO by Eero Aarnio 1979

Pair of stackable plastic chairs by eero aarnio (famous designer of "ball chair" and "pastill chair") for upo (finland) in 1979. Entirely made of molded plastic, they were sold as a kit to assemble yourself. They are in very decent vintage condition, with traces of use and time (slightly yellowed plastic), small claws and various stains. Very nice general patina, without real defects. Brand of the manufacturer under the seat, these were manufactured in 1981. Seat height +-45cm. The price is for the pair!.