【Versatile & Airline Approved】Measuring 18*14*8 inches, this carry on backpack fits under the seat or in the overhead compartment, approved by Spirit, Frontier, JetBlue, and other budget-friendly airlines, making it the perfect personal item for air travel. 【Spacious & Organized】With a 40L capacity, 4 compartments, and a lot of pockets, designed to allow you to easily separate and organize your travel personal items, this travel backpack can accommodate 3-7 days worth of travel items. 【3…