A packaging box comprising: - a cardboard package, in particular in a closed state, comprising walls defining a parallelepipedal enclosure, - a device for wedging an object in abutment against at least one wall of the package, comprising: - at least one sheet of honeycomb board comprising two parallel outer paper sheets (11, 12) between which extend a plurality of paper sheets laid perpendicularly or substantially perpendicularly to the two outer sheets (11, 12), - at least one sheet of corrugated board comprising two parallel outer paper sheets (21, 22) between which at least one fluted sheet extends, and wherein: - said at least one sheet of corrugated board is assembled by one of its outer sheets (21, 22) to said at least one sheet of honeycomb board, and - said at least one sheet of corrugated board has, in a plane parallel to its outer sheets (21, 22), at least one edge (20a, 20b, 20c, 20d) which protrudes or is recessed from a face of said at least one sheet of honeycomb board, characterised in that said at least one sheet of corrugated board, at least one edge (20a, 20b, 20c, 20d) of which protrudes or is recessed from a face of said at least one sheet of honeycomb board, extends perpendicularly to at least one wall of the package, the wedging device being in abutment at least against this wall, said at least one sheet of honeycomb board of the wedging device has at least one housing (14, 15) made by stamping or cutting, and the wedging device comprises at least one sheet of corrugated board (20") connected to an outer sheet of a honeycomb sheet on which said at least one housing (14, 15) opens and said at least one sheet of corrugated board (20") has, in a plane defined by its outer sheets, an orifice (214, 215) having an edge recessed or projecting from an edge (114, 115) of said at least one housing (14, 15). - a cardboard package, in particular in a closed state, comprising walls defining a parallelepipedal enclosure, - a device for wedging an object in abutment against at least one wall of the package, comprising: - at least one sheet of honeycomb board comprising two parallel outer paper sheets (11, 12) between which extend a plurality of paper sheets laid perpendicularly or substantially perpendicularly to the two outer sheets (11, 12), - at least one sheet of corrugated board comprising two parallel outer paper sheets (21, 22) between which at least one fluted sheet extends, - said at least one sheet of corrugated board is assembled by one of its outer sheets (21, 22) to said at least one sheet of honeycomb board, and - said at least one sheet of corrugated board has, in a plane parallel to its outer sheets (21, 22), at least one edge (20a, 20b, 20c, 20d) which protrudes or is recessed from a face of said at least one sheet of honeycomb board, characterised in that said at least one sheet of corrugated board, at least one edge (20a, 20b, 20c, 20d) of which protrudes or is recessed from a face of said at least one sheet of honeycomb board, extends perpendicularly to at least one wall of the package, the wedging device being in abutment at least against this wall, said at least one sheet of honeycomb board of the wedging device has at least one housing (14, 15) made by stamping or cutting, and the wedging device comprises at least one sheet of corrugated board (20") connected to an outer sheet of a honeycomb sheet on which said at least one housing (14, 15) opens and said at least one sheet of corrugated board (20") has, in a plane defined by its outer sheets, an orifice (214, 215) having an edge recessed or projecting from an edge (114, 115) of said at least one housing (14, 15).