Self securing tonneau cover

In combination with a vehicle having a passenger compartment defined at its front by a transversely extending section commonly known as the dashboard, at its sides by a pair of vehicle side walls, at its rear by a transversely extending panel, and having an open upper side and a tonneau cover, each of said vehicle side walls includes a door having a window well, and said tonneau cover comprises:

• a main body portion of a substantially rigid material;
• attachment means extending downward from said main body portion, and a plurality of tabular members extending into said window wells of said doors of said vehicle, said attachment means extends from said main body portion for a sufficient extent to hold said cover to said vehicle, said attachment means are substantially rigid, whereby said vehicle can remain as originally manufactured, while said cover is able to extend over, protect, and decorate said passenger compartment of said vehicle.