The AV Stumpfl Roll-up transport box SK21 is designed for roll-up screens with a maximum fabric width of 400 cm. It has internal dimensions of 260 × 330 × 450 cm as listed, and is heat-treated in accordance with IPPC requirements. The transport box has a gross and net weight of 66 kg. Manufacturer article number: BRV-SK21/400/H. Country of origin is Austria.