<p>An automotive member including a plurality of bubbles and a bubble membrane partitioning the same. The bubble membrane comprises a composite polystyrene-based resin foam molding including a polystyrene-based resin forming a continuous phase and polyacrylic acid alkyl ester-based resin particles dispersed into the continuous phase to form a dispersed phase, the polystyrene-based resin being composited with the polyacrylic acid alkyl ester-based resin particles. The dispersed phase is present as a plurality of layers in the bubble membrane thickness direction of the bubble membrane cross-section of the composite polystyrene-based resin foam molding.</p>
