Seating surfaces with wire mesh and round tube, diameter 30 mm, connected with laser-cut shaped parts. Grid 15x25 mm, wire thickness 3.3 mm. Top wires perpendicular to seating direction. Seat surface with knee roll, cambered, slightly curved. Seat height 450 mm. Fluidized-bed coated in polyamide-Rilsan, coating thickness at least 350 µm.