A transfigurable bed liner assembly mountable on a vehicle including a bed. The assembly may include a channel mountable to each side wall of the vehicle, and a transfigurable bed liner including a plurality of rollers disposable in the channels for permitting sliding of the transfigurable bed liner. The transfigurable bed liner may include a leg generally adjacent a first end thereof for supporting the transfigurable bed liner in an extended position, for use of the bed liner, for example, as a workbench and for permitting loading of heavy objects.