Bankers Box Magazine File Holders, Oversized Letter, 12 Pack (07224) Our strongest magazine file for daily reference Premium corrugated construction with glued side panels withstands heavy day-to-day usage Easy to assemble Organizes a variety of letter size materials such as magazines, catalogs, file folders, and project binders Open Back Corrugated Magazine File. Premium corrugated construction with glued side panels withstands heavy day-to-day usage. Organizes and stores a variety of letter-size magazines, catalogs, files and periodicals. Easy to assemble. Label area on all sides.