For adventurers and travelers, the Contrast Waterproof Backpack Bag with External USB Port offers both utility and convenience. This premium bag boasts waterproof material, shielding your belongings from inclement weather. With an external USB port, you can easily charge devices on the go, enhancing the bag's versatility. Measuring 15.75" x 11" x 6.7" inches, this bag is made of eco-friendly waterproof canvas and features genuine leather zipper pullers and an accessory laptop pocket along with multiple small pockets. Perfect for school, casual use, business trips, and outdoor expeditions, this bag can double as both a backpack and hand bag. Its adjustable shoulder strap ensures comfort during use.