Structure: chromed steel cantilever diameter 25. Chromed backrest support diameter 22. PP foot. Seat: PP seat and under seat. 30 mm thick PU foam seat, density 60 +/- 5 kg/m3. In the fireproof version only black mesh Backrest: PPFV30 load-bearing backrest. PP inner frame to be covered with mesh. Certifications: EN 16139:2013-Lev2.