Disclosed is a transport packaging unit for packaging articles to be transported, in particular hazardous materials. The transport packaging unit comprises the following: a pallet with a base plate, wherein the articles to be transported are receivable on the base plate; a transport box which is open toward the base plate, wherein the transport box rests on the base plate and together with the base plate forms an interior of the transport packaging unit which receives the articles to be transported, wherein the transport box is fixed on the base plate by means of at least one fastening element, preferably by means of at least one packing strip.