Ergonomic design of this 15.6 inch Kopack computer backpack can reduce the burden of weight, protect the back and shoulder effectively, padded strap more comfortable and durable to carry, Kopack backpack will become your favorite backpack once you give it a chance! 💛【Kopack Backpack with USB Port】With built in USB charging port outside and built in charging cable inside, this usb backpack offers you a more convenient way to charge your phone while walking. Note: this work backpack doesn't power itself, don't forget to take your power bank when traveling or commuting. 💚【Ultimate Anti-theft Design】This Kopack mens backpack designed with independent laptop compartment which hides on your back to protect your laptop, notebook or macbook from thieves, the whole compartment is thickened with shock-proof material to perfectly protect your 13 inch, 14 inch and 15.6 inch laptops. 💙【Lightweight Business Travel College Backpack】This Kopack 15.6 inch backpack thoughtfully designed with 10+ pockets offers you a fantastic using experience, say goodbye to digging around in a bag, every gadget will be organized, flight approved backpack dimension: 17.3*11.4*4.7", laptop compartment (10.2*16.9") for 13 up to 15.6 inch laptop. 💝【Kopack Waterproof Backpack】It's a great gift for him or her, why not get it now if your friends or family members are about to go for the work, college, travel, a business trip?