Abstract: In a pocket part for a vehicle door constructed to be affixed to the interior structure of such door to form a vehicle door pocket having a U-shaped plastic frame, the frame having an elongate base and a pair of arms upstanding from the base and a pair of metal fasteners carried in the upper ends of the frame arms at the upper corners of the pocket part, the improvement comprising a single elongate metal strap slidable length-wise of the frame and having its opposite ends held by the heads, respectively, of the pair of fasteners, and a single elastic strap wrapped around opposite ends of the slidable strap and having its opposite ends held by the shanks, respectively of the pair of fasteners, the elastic strap being in constant tension so as to maintain the slidable strap in constant compression, whereby to maintain the upper edge of the pocket part biased against the interior door structure.