Hanging expanding file fits in a desk drawer or travels well. Hooks retract so they don't get hung up on anything in transit. Design features 13 full letter-size pockets & 12 indexed dividers with large, colored tab inserts. Bottom is closed. Front & back panels are slotted for standard hanging folder tabs. Each pocket expands to 7/8". Expanding file is made of water-resistant, tear-resistant poly that is easy to clean.