SANDER - Modular seating system with removable cover. Frame made of wood and solid poplar or fir wood, polyurethane foam and dacron padding. The small chaise features an easily accessible compartment under the seat. Studio couch version: armchair with a beech slats bed frame, sofas with a double-folding wired bed frame of electrically-welded steel. 12 cm-high spring mattress covered with cotton cloth. The handle between the seat cushions provides an easy conversion.