Structure: solid poplar wood with elastic straps, covered with expanded polyurethane in different densities.
Seat cushions: medium density polyurethane foam, covered with Dacron.
Back cushions: in sterilised down with internal divisions.
Feet: fabric-covered, in larger sizes the model is equipped with central safety feet.
Upholstery: leather or fabric, due to the special manufacturing process, not removable.