Abstract: The present invention is for a flexible device attachable to the underside of theater seats, allowing for the storage of personal items. The invention comprises an expandable storage structure, having a bottom section, a top section, a front section, a back section, and side sections, the side sections positioned between the top section and the bottom section and the front section and the back section, said expandable structure having an elasticized opening at the top section, and at least one strap attached to each of the two sides of the expandable structure with each distal end of said at least one strap having a closure mechanism, which is complementary with the other said closure mechanism, thereby allowing the distal ends of said straps to be removably connected.