SPEEDBOX folding cardboard box, single fluted, pack of 50, LxWxH 535 x 330 x 220 mm. Supplied = assembled. Internal length = 535 mm. Internal width = 330 mm. Internal height = 220 mm. Material = corrugated cardboard. Max. load = 40 kg. Grade = 1.40 C. FEFCO code = 0711. Product type = cardboard boxes with automatic base. Quick and easy to erect. No adhesives required for the base. Very stable due to fully overlapping base flap. Folding corrugated cardboard boxes, single fluted. Automatically closing base guarantees quick, efficient work.