Dual zippered opening with rain flap to large main compartment. Rear padded, zippered laptop compartment (holds up to a 17" laptop). Padded interior tablet pocket (holds up to a 13" tablet). Dual side water bottle pockets with expandable elastic. Front zippered pocket with interior organization for accessories. Trolley strap feature slides over luggage handle for easy transport. Zippered security pocket integrated into trolley strap to protect credit cards, cash, and other valuables.