Boxa 2 in 1 OMNI Mailer/Mover Box, Holds 7560 Double-Stacked Letter/Legal Folders, 18 Pack (6-OM06-0-BB-18) WORLD'S #1 BOX DESIGN: The most comfortable box you have ever lifted. The Omni is a HEAVY-DUTY 2.4 cubic ft. box has ergonomic grips that are shaped to fit the contour of your hands while relieving the strain on your wrists & back. TWO BOXES IN ONE: The Omni is two, standard file boxes stacked on top of each other. Or lower the built-in flaps and you can configure one large open area for storing big things! Your choice. TAKES UP LESS SPACE. This is a quick assembly box. The vertical design occupies less floor space than other bank boxes and a lot easier on your back to lift. IT'S LOCKABLE removable lid and heavy-duty strength ensures your stuff stays in the box. No tape needed to seal it shut. Plenty of writing areas are available on multiple walls of the box and on the lid. They're also double layered making them rip resistant!