Ergonomic swivel chair, mesh back rest, royal blue. Supplied = flat pack. Cover material = polypropylene, polyester. Colour of covering = royal blue. Frame colour = graphite black RAL 9011. Frame material = nylon. Seat mechanism = permanent contact mechanism. Frame design = with castors. Height adjustment range = 430 - 510 mm. Type of arm rests = without arm rests. Back rest height = 550 mm. Fittings = lumbar support. Seat depth = 480 mm. Seat width = 480 mm. Shape of seat shell = lumbar support seat. Conforms to = DIN EN 1335 part 1 - 3, DIN EN 12527+DIN EN 12529. Design of castors = castors for soft floors. Max. load = 110 kg. Period of use/day = up to 6 hours. Product type = ergonomic swivel chairs. Breathable mesh back rest. Comfortable ergonomic seat. Cubic and compact. Easy care fabric cover, 100 % polypropylene. Black mesh back rest, 100 % polyester. Frame in graphite black RAL 9011. Supplied flat pack - easy self-assembly. Your advantage Designer back rest with actively breathi