Features:1. High-performance solar panel: standard USB output, ensure emergency charging when traveling, outdoors, hiking, hiking, fishing or cycling.2. Multipurpose: Made of durable, eco-friendly nylon fabric with two curved straps that provide light and strong reinforcement for business travel, weekend vacations, shopping, professional office and other outdoor activities.3. Breathable design: The back breathable area is larger than the average backpack, the back uses the punch design, with ventilation network and comfortable foam filling, ergonomic design, the additional back support makes you more comfortable, makes you enjoy riding more fun.4. Waterproof durable material: This backpack is made of high-quality durable nylon cloth, anti-tear, environmental protection, long use time. It makes the backpack light, waterproof effect is better than the general material, when you ride on a rainy day, do not worry about things will be wet.5. Suitable for business, school, university, hiking, travel, camping, day trip and other outdoor activities.Specifications:Condition: 100% Brand NewItem Type: Solar BackpackMaterial: NylonOptional Color: Red, BlackCapacity: 10LSolar Panel: 6.5W 6VSolar Panel Efficiency: 22%Size: Approx. 40 * 25 * 10cm / 15.7 * 9.8 * 3.9inchWeight: Approx. 705gPackage List:1 * Solar Backpack1 * Water Bag1 * Solar Panel1 * USB Cable1 * Water Bag Tube.