Abstract: A bag constituted by a laminar outer part which is completely transparent and portions having overlapped inner laminar opaque portions, including inner pockets wherein planar plates containing graphic advertising are housed. Said inner pockets have zip fasteners as well as the bag mouth. The sliding tab of the zip fastener includes an inviolable lock. At least a portion of the bag side wall is completely transparent, thus allowing visualization of the objects contained therein from outside with the bag closed. The bag of the invention may also have a smaller outer pocket.