IRIS USA, Inc. letter and legal size 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. Set of 6. IRIS USA, Solutions for Everyday Living!