Travel Backpack, Extra Large Backpack, Carry On Backpack 。?EXPANDABLE & LARGE CAPACITY: This extra large travel backpack with expandable feature offers you more packing capacity. Unzipping to get 40L storage then can easily hold packing cubes, make-up bag, outfits, camera bag and gear, etc. It fits overhead and under seat while on state of standard carry on size, is ideal for men, women, weekend traveler, or occasional vacationer. This versatile luggage backpack also meets airline carry-on requirements, for airlines such as Easy Jet, Spirit, Jet Blue ?CONVERTIBLE DESIGN: The carry on backpack is designed with hideaway padded shoulder straps which can be easily stored away in zippered back panel, transforming this vacation backpack from carry-on duffel to briefcase style and provide you a more flexible carrying experience. A luggage strap on the back is designed to fit on luggage/suitcase, for easier carry on international travel or cruise. A great gifts for people who travel ?EASY TO CARRY: The luggage backpack is light to carry due to its adjustable shoulder straps, comfortable air-mesh ventilated back panel. 2 padded grab handles are set on the top and the side of the travel backpack, making it easily to take the bag from an overhead bin. The best gift choice for Thanksgiving Day, Christmas, New Year, Valentine\'s Day, also available as travelers gifts