Amazon.com: LOVEVOOK 40L Travel Backpack for Women Men 。?【Airline Approved & Convenient】Our carry on backpack measures 18*14*8 inches, meeting the requirements of budget-friendly airlines like Spirit, Frontier, and JetBlue. It easily fits under the seat or in the overhead compartment, making it the perfect personal item for air travel. ?【Spacious & Organized】With a capacity of 40L, 4 compartments, and multiple pockets, this travel backpack allows you to easily separate and organize your belongings. Pack 3-7 days worth of travel essentials with ease. ?【Smart Packing Features】Our carry-on bag includes 3 extra packing cubes for effortless organization, as well as a wet compartment to keep your wet clothes and toiletries separate from your dry items. Say goodbye to leaks and protect your belongings! ?【Long-Lasting & Comfort】Built to withstand the rigors of travel, our carry-on backpack is made from tear-resistant, water-resistant, and abrasion-resistant materials with adjustable shoulder straps and padded back panel for comfort during long trips. ?【Secure & Practical】The suitcase-style opening offers easy access to your belongings at security checkpoints, while the padded electronics compartment and side pockets provide secure storage for your items. A luggage strap on the back adds convenience for your journey.