IRIS Letter and Legal Size WeatherPro™ File Boxes are a durable, protective storage solution for your valuables and important documents. This WeatherPro™ Letter/Legal File Box will keep your valuable papers and documents dry, clean, and moisture-free even in tricky climates or bad weather, and the heavy-duty buckles keep the lid securely in place. The reinforced lid on the hanging file storage box makes stacking multiple units easy, letting you maximize your storage space.