Frame armchairFrame:Particleboard, Solid wood, Plywood, Particleboard, Polyurethane foam 20 kg/cu.m., Polyurethane foam 30 kg/cu.m., Fibreboard, Felt linerPocket spring unit:SteelLining:100% polypropyleneLeg:Solid beech, Stain, Clear acrylic lacquerSeat cushion:Felt liner, Polyurethane foam 20 kg/cu.m., Highly resilient polyurethane foam (cold foam) 35 kg/cu.m.Clip:Polypropylene plastic