16 corrugated fiberboard products, namely document storage files; file drawers; file folders; document storage trays; magazine storage files; storage boxes; storage boxes with plastic handles; shipping boxes; loose-leaf and string-type binders; carrying cases; copy-holders in the nature of paper-holders for typists; mail sorters, literature sorters and desk, partition and wall-mounted accessories, namely letter trays, file organizers and combination organizers, bookstands and holders