Universal Size]The storage box is ideal for storing letter-sized documents and other non-document items. The internal dimensions are 14.3 inches x 12.4 inches x 10.2 inches, and the external dimensions are 14.9 inches x 12.7 inches x 10.8 inches. Durable Material]Our organizing box is made of linen fabric and features a dust-proof design with a lid. The lid is equipped with Velcro, making it easy to cover the file box. The inside and bottom of the box are supported by thick cardboard, ensuring the box's shape remains stable and providing better support for important documents and materials. Optimal Design]Each file storage box is equipped with two PVP transparent sliding bars, which can not only prevent the sides of the file storage box from loosening, but also facilitate the sliding of the folder, which is very suitable for hanging the folder.The metal handles on both sides make it easy to move the storage box, Space-Saving]With our file folder box, your desk is more organized, safe and secure. You can organize things in an orderly way instead of being messy. When not in use, it can be folded up to save space. Multi-Function File Boxes]Our collapsible filing storage organizer is versatile, making it suitable for a variety of needs. It is ideal for organizing files, bills, and papers at home or in the office. It can also be used to store school supplies, books, toys, and clothing. Color: Gray Material: Fabric Package Contents: 1*File Organizer Box