The environment friendly paper tube chair by Manfred Kielnhofer. Enjoy the environment friendly paper chair that is made from your recycled newspapers. The cardboard chairs were made in 2002 and since them have been used in Artpark and for various events. The photos below are recent one. The paper chair has retained the same good condition since its production. The armchairs are made from used cardboard tubes. The tubes are made from recycled paper.