Targus 15.4-Inch Rolling Notebook Backpack * Product Material: Nylon * Product Weight: 6 lbs. * Laptop Compartment Dimensions: 14.2" x 11.6" x 2.25" * Storage options throughout the backpack * Rear protective flap holds shoulder straps in place so straps are secure when the case is used in roller mode * Removable slip case fits notebooks with screen sizes up to 15.4 * Padded handle and shoulder straps for ease of transport * Handle grip on the bottom of the case allows for easier lifting into the car or airline overhead compartment * Protective PVC material on bottom of case repels water