The padded laptop compartment is designed to fit most laptops up to 16" and tablet pocket up to 11”. The top zippered pocket is felt lined and the hidden large front pocket with key-loop strap. The first zippered compartment has a pocket for files and books with 2 pockets for phones etc. The main laptop compartment has 2 zippered mesh pockets for power cords and cables. The backpack also includes an add-a-bag feature that allows bag to slide over extended handle of wheeled luggage. The back panel has a high-density foam padding and air-flow channel on the back to keep you cool and comfortable. There are 2 elasticized pockets on each side for easy access to a water bottle or umbrella.