Capacity & Expandable DesignThe travel backpack for men size (LxWxH) is 11.8" x7"x 16.9" / 30x18x43 cm, has multiple compartments, a main compartment with a capacity of 35L. A separate computer compartment with a protective pad, with 2 front compartments, side pockets can hold umbrellas and water bottles, and 2 small compartments on the top and another sides for easy access to items. Opening the side zipper can expand the capacity to 38L-40L, it can hold for 2-3 day trips clothes or camping tools ^^ Dry-wet Separation & Independent Shoe Compartment: This travel backpack for women and men has a separate shoe compartment at the bottom, which can store shoes separately and keep them clean and tidy. The shoe storage space can accommodate shoes for daily travel. There is also a dry wet separation area inside the outdoor sport backpacks, which can be used to store toiletries and other wet items. The practical design makes daily exercise or short trips more convenient ^^
Waterproof & Durable Materials: The computer backpack is made of waterproof nylon, with a smooth zipper (the zipper is not waterproof). The travel bag can provide protection for your electronic products and valuable items in rainy and snowy days. Waterproof backpack side is equipped with USB-C charging ports. Simply insert the power bank into the backpack and easily charge the device through the external USB-C port without opening the backpack (note: power bank and data cable are not included) ^^
TSA-Approved & Luggage Strap: The design of carry on backpack for airplanes complies with TSA design certification, features a 180 lay-flat opening, allowing you to going out more efficiently, reducing inconvenience. Personal item backpack are hand straps on both the top and sides for convenient travel. Its built-in luggage strap attaches to suitcase handles, enabling hands-free navigation through terminals. Multifunctional bags for international flight, camping, hiking, and overnight trip ^^
Comfort & Lightweight: The carry on backpack features ergonomically designed shoulder straps with foam padding to relieve shoulder pressure. A breathable 3D mesh back panel wicks away moisture. An adjustable, non-slip sternum strap holds the load during exercise. Its lightweight design and anti-theft pouch ensure comfort for both urban commuting and outdoor hiking. Suitable to be used as a travel bag, weekender bag, overnight bag, laptop bookbag, spacious college backpack etc