"Shell in plastic composition with up to 25% wood fibers. Wood fiber and plastic mixture are injected into the mold and form the chair's shell. The steel sled base is CNC-bent and powder-coated. Clean with a damp cloth. Use a little dishwashing detergent on the cloth if necessary. For upholstery versions, You can find cleaning instructions for your chosen textile at www.kvadrat.dk. For versions of leather covers, clean the leather with a dry cloth regularly. Treat the leather at least four times a year by using only special leather treatment products for aniline leather. "