Framework: Solid beech wood, oriented strand panels (OSB type) and fibre panels covered with polyether foam 20kg/m3 Seat Sprung: fixed platform with under-seat polyether foam 24 kg/m3 Seat: polyurethane foam High Resiliency HR density 35 kg/m3 Back: Methyl poly methacrylate (PMMA) Feet: chromed steel feet Covering: 100 % polyester fabric