【STORAGE & POCKETS】A separate laptop compartment holds a 15.6-inch laptop, as well as 15-inch, 14-inch, and 13-inch laptops. A spacious packing compartment holds daily necessities, tech electronics accessories, and a variety of other items, keeping your items organized and easier to find. 【COMFORTABLE & MANAGEABLE】The breathable mesh shoulder straps with ample sponge padding and the chest belt ensure the shoulder straps stay securely on your shoulder, so you don't have to worry about the straps slipping down and hurting your shoulder from a heavy bag. The portable backpack with Airflow three-dimensional ventilation design helps with air convection and heat elimination. 【USB PORT DESIGN】With a built-in USB charger outside and a built-in charging cable inside, this USB backpack offers you a more convenient way to charge your phone while on the go. It's a great tech gift for him from wife, daughter, and son. Please note that this backpack does not power itself; the USB charging port provides easy access to charging. Remove the USB charging cable when cleaning the backpack. 【WATERPROOF & DURABLE MATERIAL】Made of water-repellent fabric and durable metal zippers. Ensures safe and long-lasting use every day and weekend. Suits you well as an office work bag, a slim USB charging bag, a large student bookbag for boys, girls, and teenagers. 【CONVENIENT STORAGE】Laptop backpacks with a front zipper pocket, easy to hold a water bottle, readers, and a bunch of other stuff, diaries, pens, and pencils. Notebook computer bag Side pocket holds compact umbrellas and other small items. We not only provide you with high-quality products, but more importantly, we provide you with a long-term after-sales guarantee. When you purchase our products, you receive a full range of customer support, so you can shop with confidence and satisfaction.