Expandable Travel Backpack】：With an expandable capacity that goes from 22L to 40L, you'll have all the space you need for 3-5 day trips or everyday commuting, giving you the freedom to take everything you need with you. And this carry on backpack meets IATA-approved size requirements, you can easily store it in the overhead bin or under your seat without any hassle. Whether you're traveling around the world or just around town, It's the perfect companion for your next adventure. 【Spacious Capacity & Compartments】：This backpack is perfect for anyone who needs to stay organized. The main compartment is spacious enough to hold all your travel essentials,the front pocket is designed with your small items in mind, offering ample storage for your phone, and more.This laptop backpack also features a dedicated 17inch laptop compartment with extra padding to keep your computer safe on the move. Additionally, there is a discreet side pocket designed to hold a 1000ml water bottle. 【Waterproof & Anti-theft Backpack】：Our men's travel backpacks are made of high density waterproof material with dry and wet separation bags in the main pocket to keep your clothes dry and organized. Plus, the back anti-theft back pocket is a handy feature for storing your valuable. This laptop backpack offers a convenient way to charge your cellphone with a built-in USB port and charging cable inside. Whether you're traveling for business or pleasure, this travel backpack is a great choice. 【Practical & Comfortable Design】：This carry on backpack is built to last with heavy-duty zippers and reinforced stitches, ensuring durability for all your travels. The back and shoulder straps are cushioned with breathable sponge mesh, relieving pressure and enhancing ventilation for a comfortable fit. Plus, adjustable chest straps ensure the perfect fit for all body types. The luggage strap keeps it fastened to your trolley, preventing slipping and ensuring smooth and hassle-free transit.