【Design for Travel】Our backpacks allow you to quickly and neatly store your travel essentials - The main box compartment has an X buckle to keep your clothes in place. The three packing cubes will be your helper. Waterproof wet bag to store your toiletries. Plenty of small pockets for small items. Thickened shoulder straps and chest buckles allow you to carry heavier backpacks without feeling stress. 180 degree zipper closure helps you pass through the security check quickly. 【Airline Approved Size】 Middle size:17×12×7in. Large size:18×12.5×7in. Meets airline carry-on requirements, applicable for airlines such as Easy Jet, Spirit, Jet Blue, Frontier, United. Fits overhead luggage rack and underseat. 【Deformation Design】When you store shoes on shoe compartment, main compartment area will be reduced to provide more space for shoe compartment. When you don't need to carry shoes, the bottom pocket can be folded so that you can carry more items in main compartment. A combination of shoes bag and travel backpack. You must not miss this NEW backpack! 【USB Charging Port】Smart backpack with a USB port to charge your device while on the go. Built-in charging cable and mesh pocket for Powerbank. (Please note that the device cannot be automatically supplied with power. The USB charging port is only for easy charging.) 【DURABLE & COMFORTABLE】The luggage backpack is made of durable and water-resistant fabric which will not rip, tear or scratch but also lightweight. Breathable mesh pads on shoulder straps make it convenient to carry for long duration. It's the great Brithday, Thanksgiving, Christmas and New Year gift idea for man, women, father, mother, boys, girls, teens, etc. › See more product details