The present invention comprises (a) a substantially pot-shaped element, (b) an extensible or insertable handle which is also a retractable or removable handle located at or near the interior or inner side wall of said pot-shaped element, (c) a protective cover for protecting the handle or the location of such handle, and, optionally, (d) at least one rolling means or wheel assembly. Preferably, the protective cover of the present invention is a removable and replaceable cover which is placed over the extensible and retractable handle to prevent contamination of the location of the handle and its parts.
