Abstract: A cover device for covering a motor vehicle, comprises a housing attachable to the vehicle trunk lid, and a cover of flexible sheet material disposed within the housing and withdrawable therefrom to cover the vehicle. The cover comprises a main section of sufficient length to extend from its housing over the top of the vehicle and its front end and to be attached to the vehicle front bumper, a rear section of sufficient length to extend from the housing and to be attached to the rear bumper of the vehicle, and a pair of side sections secured to the sides of the main section to cover the sides of the vehicle. The main and side sections of the cover include a plurality of parallel, elongated, stiffening rods extending transversely of the main section and spaced longitudinally thereof.