BirkSun Boost 2 - Tropical Navy - Waterproof Solar Backpack with 3,000 mAh Battery
The Boost 2 is lifesaver when you plan to be out all day. The functional and stylish backpack stores the sun's energy so you can stay connected during your travels and share your day with the world. The 3,000 mAh battery will even hold a charge for up to 6 months. Perfect for festivals, school, hiking, backpacking, or just hanging at the beach.