The BCW Stor-Folio is a drop back portfolio box. It is an unequaled transportable comic book storage device. The Stor-Folio will hold up to 15 bagged and boarded comic books, or up to 20 loose comic books. The Stor-Folio is made of heavy paper-board. The spine features a crystal clear pocket into which a piece of artwork or label can slide. It also features a secure double-velcor closure. It is easy to open, but will not accidentally unfasten..