Design Artek. Wooden frame, birch legs, PU foam & dacron, upholstery. Made in Finland by Artek. The series of sofas by Artek represent the classic Scandinavian design aesthetic and quality manufacturing while maintaining a refreshing and contemporary look. Sofa-bed 550 features a wooden frame with zig-zag springs and rounded birch legs. There is a pull-out bed mechanism with a slatted bed base. The cushions are PU foam and dacron in your choice of fabric or leather. sofa-bed 550: 83" w | 31.5" d | 31.5" h | seat: 17.7" h.