Amazon.com: LOVEVOOK 40L Travel Backpack for Women, Carry On 。?Airline-Approved Carry-On Size: This travel backpack (18x14x8 inches) is perfect for budget airlines like Spirit, Frontier, and Jet Blue, fitting seamlessly under seats and in overhead compartments. Ideal for hassle-free travel ?Spacious 40L Capacity: Featuring 5 main compartments, this backpack easily accommodates essentials for 3-5 day trips. Organize clothes, shoes, and electronics effortlessly, making it perfect for both business and leisure travel. Side pockets accommodate large water bottles for hydration on the go ?Includes Packing Cubes & Wet Pocket: Stay organized and neat with 3 additional packing cubes and a wet pocket for toiletries and damp items. Keep your belongings dry and easily accessible throughout your journey ?Durable and Comfortable Design: Crafted with strong LOVEVOOK zippers and reinforced stitching, this backpack is built to last. The breathable sponge mesh shoulder straps and chest buckle reduce pressure, offering comfort for extended use ?Versatile Travel Companion: With top and side handles, use it as a travel backpack, carry on backpack, or personal item backpack. A convenient luggage strap slides onto suitcase handles, making it the ultimate travel solution. Great gift for birthdays, holidays, and special occasions