Wooden frame with zig-zag-springs,legs in birch.Loose cushions:PU foam and dacron with coveringfabric.Removable or non-removableupholstery with fabric or leather. Wooden frame, legs in birch, zig-zag-springs. Loose cushions: PU foam and dacron with covering fabric. Removable or non-removable upholstery with fabric or leather.