Throw this backpack in your luggage without sacrificing valuable space and pull it out when needed. The Travelpro Foldable backpack is perfect as a nearly-weightless extra bag to use on day excursions while traveling and for additional packing capacity as a personal carry-on item if you come home with more than your luggage can hold. Made from resilient. abrasion-resistant polyester fabric. this backpack folds up into its own built-in zippered pouch for compact storage when not in use. Features include an interior zip pocket for secure storage of small items. a zippered front pocket and a Travelpro QuickSlip front pocket with magnetic closureideal for storing a cell phone or other essentials on the go. Carry it hands-free using the adjustable shoulder straps or rear stacking strap that fits around the extension handle of a Rollaboard or spinner suitcase. Backed by a 1-Year Limited Warranty!