Fabric:100% polyester (min. 90% recycled)Seat frame:Highly resilient polyurethane foam (cold foam) 55 kg/cu.m., Polyurethane foam 30 kg/cu.m., Fibreboard, Particleboard, Solid wood, Plywood, Polyurethane foam 25 kg/cu.m.Back frame:Highly resilient polyurethane foam (cold foam) 55 kg/cu.m., Fibreboard, Particleboard, Solid wood, Plywood, Polyurethane foam 35 kg/cu.m.Pocket spring unit/ Zig-zag spring:SteelLeg:Polypropylene plastic