The dual clipboard storage box is a multifunctional extra strong case with 2 large compartments, perfect for engineers, hospital environments, contractors, coaches, teachers and more. The storage box holds Letter and A4 size documents. Sturdy low profile clip holds writing materials in place while keeping all the contents stored safely. The back case features additional storage for papers, pads, non tab file folders and more. There are Twin inner small compartments that hold flash drive, clips and other supplies.