The Celi 9140 has upholstered seat and plastic back. The plastic seat and back is made from 94% post-consumer PP. 75% of the aluminium frame is also post-consumer. It’s a self-stabilizing, lightweight chair that is easily to set out and stack away. HÅG inBalance® technology (balanced, flowing tilt function backwards and forwards) ensures more subconscious movement. Armrests and connection device available as optional extras.