Product information: Name: Multifunctional heat preservation storage chair back bag Colour: Black Material: Oxford cloth + insulation aluminum foil Size: as shown Weight: 230g (including packaging) Packing: OPP bag Use position: car seat back Usage method: hanging Product function: keep cold in summer, keep warm in winter, and can place a variety of small objects Package Contents: 1X storage bag window.adminAccountId=238276048;