Seat and back surfaces with wire mesh and round tube, diameter 25 mm. Grid 15x15 mm, wire thickness 3.0 mm. Wires lying crosswise to the seating direction. With two grid densifications for additional stabilization. Fluidized-bed coated in polyamide-Rilsan, coating thickness at least 350 μm. Dimensions: (WxDxH) 445 x 431 x 293 mm