Item No. : Shark SL-03S (Gray) Main material : Nylon+CIGS solar panel Capacity : 20L Net weight : 0.9kg Size : 47*30*19cm Watt : 8W Volt : 5.0V Electric Current : 1.6A Feature : Huge capacity, water proof zipper, USB bidirectional port. Color : 5 colors (Black、Red、Gray、Pink、Dark Green)