Gravity Balans Chair designed 1983 by Peter Opsvig for Varier, Norway. This chair offers four different seating-positions. You only have to shift your bodyweight to get in different positions. From a kneeled front position at a working desk to a hovering leant back position for fully relaxing. Very good used condition. Laminated birchwood upholstered with lightgrey fabrics. Peter Opsvig is known for his famous Tripp-Trapp childs chair, distributed by Stokke. Non-smoking object.