Maximize your time under the sun with this Kingsons Solar Charging Backpack. Featuring a built-in solar panel that effectively absorbs the Sun's energy and turns it into electrical energy that can be used for juicing up your devices. It also has an integrated USB port that allows you to charge your devices while on the go. 

Main Material: Nylon
Capacity: 36-55L
Carrying System: Air Cushion Belt
Lining Material: Polyester
Size: 50x37x22cm