【STORAGE SPACE & POCKETS】 A separate laptop compartment holds 15.6 inch laptop as well as 15 inch, 14 inch and 13 inch laptop. A spacious packing compartment roomy for daily necessities, tech electronic accessories and a bunch of other items, make your items organized and easier to find.

【COMFORTABLE AND STURDY】 The breathable mesh shoulder straps with plentiful sponge pad and the chest belt make the shoulder straps fix firmly on your shoulder, so don't worry about the straps sliding down and hurting your shoulder by a heavy bag. The laptop backpack with Airflow three-dimensional ventilation design helps with air convection and heat elimination.

【USB PORT DESIGN】 With built in USB charger outside and built in charging cable inside, this USB backpack offers you a more convenient way to charge your phone while walking. It's a great tech gift for him from wife, daughter and son. Please note that this backpack doesn't power itself, USB charging port only provides easy access to charge. Remove the USB charging cable when cleaning the backpack.

【WATER-RESISTANT AND DURABLE MATERIAL】 Made of water repellent fabric and durable metal zippers. Ensure secure and long-lasting usage everyday and weekend. Serve you well as an office work bag, a slim USB charging bag, a large student backpack for boys, girls, teens.

【CONVENIENT STORAGE】 Laptop backpacks with front zippers, easy for holding a water bottle, readers and a bunch of other items, diary, pens and pencils. Notebook computer bag Side pocket holds compact umbrellas and other small items.