Carrying box releasably attachable to a portion of a piece of clothing, the carrying box comprising a top section and a bottom section, the top section being connectable to the bottom section in a sealing manner, the bottom section comprises a curved bottom face with a curve radius (R b) substantially corresponding with the curve shape of a body part of a human being to be covered by said portion of piece of clothing, the carrying box further being arranged for releasable interconnection with said portion of piece of clothing by means of at least one attachment means, wherein at least one of the bottom section and the top section is provided with sealing means arranged for fluid tight sealing of the carrying box when the connecting means are engaging the bottom section and the top section in a locking manner, characterised in that the carrying box further comprises: a compress element for connection with at least one of an inward top face of the top section and the curved bottom face of the bottom section; and a bow shaped connecting means for connecting the top section to the bottom section, the bow shaped connecting means is a U-shaped connection means comprising two parallel slider portions arranged for slidable engagement with corresponding locking element attaching portions (116, 126) integrated in sidewalls of the bottom section and the top section, wherein each slider portion includes a wall and two channels positioned on opposite ends of the wall, each of the channels facing inward towards the other one of the channels; and wherein the channels are configured to slidably receive a corresponding one of the locking element attaching portions (116, 126) of the bottom section and the top section. the carrying box comprising a top section and a bottom section, the top section being connectable to the bottom section in a sealing manner, the bottom section comprises a curved bottom face with a curve radius (R b) substantially corresponding with the curve shape of a body part of a human being to be covered by said portion of piece of clothing, the carrying box further being arranged for releasable interconnection with said portion of piece of clothing by means of at least one attachment means, wherein at least one of the bottom section and the top section is provided with sealing means arranged for fluid tight sealing of the carrying box when the connecting means are engaging the bottom section and the top section in a locking manner, characterised in that the carrying box further comprises: a compress element for connection with at least one of an inward top face of the top section and the curved bottom face of the bottom section; and a bow shaped connecting means for connecting the top section to the bottom section, the bow shaped connecting means is a U-shaped connection means comprising two parallel slider portions arranged for slidable engagement with corresponding locking element attaching portions (116, 126) integrated in sidewalls of the bottom section and the top section, wherein each slider portion includes a wall and two channels positioned on opposite ends of the wall, each of the channels facing inward towards the other one of the channels; and wherein the channels are configured to slidably receive a corresponding one of the locking element attaching portions (116, 126) of the bottom section and the top section. a compress element for connection with at least one of an inward top face of the top section and the curved bottom face of the bottom section; and a bow shaped connecting means for connecting the top section to the bottom section, the bow shaped connecting means is a U-shaped connection means comprising two parallel slider portions arranged for slidable engagement with corresponding locking element attaching portions (116, 126) integrated in sidewalls of the bottom section and the top section, wherein each slider portion includes a wall and two channels positioned on opposite ends of the wall, each of the channels facing inward towards the other one of the channels; and wherein the channels are configured to slidably receive a corresponding one of the locking element attaching portions (116, 126) of the bottom section and the top section.