Universal Organizer Box Size - The storage organizer fit both letter and legal size files, and other items except files. Extremely durable files boxes perfect for hanging files folders, suitable for normal cube shelves or closet shelves. These file storage boxes are also the best gifts and helpers for children to store school supplies during the back-to-school season. Internal dimensions - 14.3 inch x12.4 inch x10.2 inch; Outside size - 14.9 inch x12.7 inch x10.8 inch. Collapsible Multifunctional Filing Storage Organizer - The outer box with linen fabric can be dustproof, inside and the bottom support is made of thickened cardboard, which is environmentally friendly and not easily deformed. The cover with Velcro not only allows us to cover the file box easily, but provides more storage space for the file. It also acts as a small filing cabinet for tax documents, legal files and other documents storage. When we are not using it, we can fold it up to save space. Perfect Organizer fo