Embodiments of foldable substrates and methods for making foldable substrates for a motor vehicle are provided herein. The foldable substrate comprises a first wall that has a first outer surface. The first wall comprises a first natural fiber-resin impregnated blank section that is overmolded with a first quantity of polymeric resin that forms at least a portion of the first outer surface. A second wall has a second outer surface. The second wall comprises a second natural fiber-resin impregnated blank section that forms at least a portion of the second outer surface. The first and second walls are hingedly connected together.