1.Carry On Airline Approved: Avoid extra luggage fees! Designed at 20'H x 13'L x 8'W, this backpack suitcase for travel meets most airlines carry on size requirement, and can be placed in the overhead luggage compartment, suitable for Spirit, Frontier, Easy Jet, Jet Blue, and other airlines. This carry on travel backpack features a TSAfriendly 90180° opening design that allows you to pass through security checks easily and keep other items tidy 2.Spacious Organized: Everything in its place! This 40L Carry On Travel Backpack stays organized with 4 main compartments. The main compartment of the travel laptop backpack has double zippers and enough storage room to store like a suitcase, suitable for a 34day trip. The separate laptop compartment provides enhanced padding to protect your 17' laptop. The front compartment has many pockets to keep your belongings organized. The secure hidden pocket design can protect your passport, wallet valuables 3.Versatile Convenient: It has an external USB port with a builtin charging cable that can conveniently charge your phone and other electronic devices (you need to provide your own portable charger). The shoe compartment at the bottom fits sizes 1012, keeping footwear separate and preventing odors with breathable venting holes, while also doubling as a versatile toiletry or accessory bag. This carry on backpack for airplanes ensures that essentials remain neat, accessible, and ready for travel—perfect for business trips or adventures 4.Practical Comfortable: Made from waterrepellent, highdensity polyester with sturdy metal zippers, this backpack luggage provides longlasting protection. Secure your valuables with lockable metal zippers in the laptop compartment (you need to bring your own lock). It features an airflow back design, multipanel padding, and breathable, adjustable straps for comfortable carrying. It also has padded handles, a luggage strap, and a side mesh pocket for water bottles or umbrellas—travel with comfort and ease