BANGE BG-7216plus Antitheft Waterproof Travel Men Backpack 15.6 Inch Laptop Bag, BG-7216plus (Black), BG-7216plus (Grey)1. With a password anti theft lock, travel more secure 2. Waterproof fabric, rainy day travel can well protect the contents of the bag not to be soaked 3. USB external charging port, fast and convenient 4. Multi pocket multi compartment design, beautiful and practical, say goodbye to messy 5. Breathable sponge, reduce the pressure on the back, keep dry and breathable 6. Comfortable handheld, side card pocket, cup pocket, intimate details design 7.