A novel thermally insulated enclosure includes an insulated wall and a magnet assembly coupled thereto for mounting the insulated enclosure to ferromagnetic structures. In a particular embodiment, the magnet assembly includes a plurality of magnets coupled to the insulated wall. In another particular embodiment, the magnet assembly is a removable magnetic device that can be connected and disconnected from the insulated enclosure. In another particular embodiment, the magnet assembly is a removable magnet carrier that can be incorporated into the structure of the insulated enclosure.