Keep your letter / legal file boxes accessible during temporary storage with the Bankers Box File / Cube Presto Pack. Modular shell made of corrugated paper with steel support stacks five units high to save floor space. Durable shells with wire frames clip together vertically & horizontally for stability. Convenient design eliminates the need to stack or re-stack boxes. Flip the lid & place the box inside the lid for frequent, easy access to files. File / Cube storage units feature Fellowes Quick Set-Up assembly & include six Presto Heavy-duty Letter / Legal Storage Boxes.