This Expandable Rolling Backpack has everything thing you need for travel in and out of town! The main compartment has full zipper closure and opens up like a suit case for complete space optimization and another zippered section to expand the overall size of the bag. The front of the bag has two zippered pockets for smaller items and a key fob loop with a zippered pouch attached to it. This bag is also equipped with two side zippered pockets, adjustable shoulder straps, a retractable handle that stores away nicely when used as a backpack, and skate-style wheels are inset into corner-mounted wheel housings. Made of 600D polyester with heavy vinyl backing. Size: 13-1/2” W x 19” H x 10” D (open) 13-1/2” W x 19” H x 8” D (closed)