wall profiling in the form of wall projections 8 and wall depressions 8 u2032 which are arranged in an alternating manner in the longitudinal direction of the storage box 2 intermediate surfaces 13 that are of different sizes are respectively provided between the bottom projections and depressions and or between the wall projections and depressions the dimensions of the respective projections and depressions 7 7 u2032 8 8 u2032 can be varied within a large range within the scope of the present invention in the present embodiment the bottom projections 7 and the bottom depressions 7 u2032 each have a depth an extension perpendicular to the bottom 5 of 3 mm which results in a total depth of interlock of 6 mm similarly the wall projections 8 and wall depressions 8 u2032 each have a height of 2 mm which results in a total depth of interlock of 4 mm in the region of the side walls 6 schematically shown in fig1 b is a perspective view of a second embodiment of a storage box 2 in the region between reinforcing loop elements that are not shown herein this embodiment firstly differs from the one shown in fig1 a in that a.