The Profibox Plus is a new generation of storage boxes for the drawbar of the trailer. The box is aerodynamic and has a modern design. The overlapping lid and high inner edges ensure that the Profibox Plus is water and dust proof (IP55). The box is strong, flexibly deployable and contain more capacity than its predecessor. A mounting kit with screws and bushings is optional. The box can be closed by means of a padlock, which is also optionally. The Profibox Plus is made of environmentally friendly polypropylene (PP) and can therefore be easily recycled.