• This backpack is a revolutionary new product that combines the grab and go functionality of a wheeled backpack with the ware of four wheel, upright rolling of spinner luggage • Constructed of premium ripstop material for lasting durability• Four multi-directional spinner wheels allow 360 upright rolling so there is no weight on your arm• Laptop compartment protects and holds up to a 15.6" laptop.• Felt lined hidden pockets to protect valuables • Quick change back panel technology allows for a quick access to backpack straps• Stealth zippered water bottle pockets• Push-button locking ergonomic handle for comfort in transport• Padded shoulder straps for increased comfort• 3 Year Warranty.• Overall Dimensions: 20"X 13"X 11"• Weight: 6.4 lbs.Body Dimensions: 19.0" x 12.0" x 12.0"Overall Dimensions: 23.25" x 13.25" x 15.0"