This Medium Oxford Anti-Theft 15" Laptop Backpack With USB Charging and TSA Lock keeps your valuables safe when you're on the go. Our backpack with lock and charger is made from durable, water-repellent fabric and features anti-theft construction with a cut-proof frame. This backpack with charger and lock is detailed with an integrated USB charging port, interior straps and pocket to secure all sorts of small items. Two large protective pockets for your laptop and tablet. Available in blue, black, purple and grey, this backpack includes a top grab handle and adjustable backpack strap that makes it comfortable to carry for all day use. A built in locking system locks all your valuables inside. This Anti-theft backpack with lock and charger is waterproof, comfortable and environmentally made. Additional features include a media port for easy access to your headphones.