Form chair swivel 4LDesign by Simon Legald Materials: TThe shell is made of high quality polypropylene (PP) and has been molded using one single injection, ensuring an extremely strong construction with the finest surface possible. The swivel base grips the chair shell with four slim arms that meet in a rotating centerpiece, which then branch out into four aluminium legs. Main line flax: 70% virgin wool; 30% flax Velvets: 100% polyester Oceanic: 100% post consumer