【EASY TO CARRY】:Our solar backpack measures 16.9*12.1*5.5inch, waterproof, weighs about 942g, adjustable shoulder straps. The lightweight and portable design allows you to easily carry and charge all your small mobile devices with the solar panel. 【DURABLE】: Our solar backpack is made of high quality nylon and polyester with LV5 waterproof certification. Heavy-duty zippers with glide tracks allow you to open and close the bag effortlessly. 【Usage Scenario】: Our solar backpack features a 14-watt solar panel with handle and USB charging port that can power most smart devices when the sun shines. With a total of 4 pockets, including large and small compartments and mesh sheathing, you'll have plenty of room to organize your essentials. For a direct connection, simply plug your device directly into the bag using the included USB port. 【Versatile】:Our solar backpack is not only waterproof, but also versatile. Whether you are hiking, camping or simply going out, this bag will meet your needs. 【QUALITY WARRANTY】: This product comes with a 1-year limited warranty, if you have any questions, please contact our 7*24 hours online customer service, we will do our best to solve your problem.