Hot Fashion Back Bag with Solar Panel Mobile Charger

Back Bag with Solar Panel Mobile Charger 
Material of bag: Canvas 
Color: Black or customized 
Size/Weight: 380 * 290 *100mm/ 530g(Man's)&500g(Woman's)(bag) 
Standard Accessories: Mobile Phone Connectors 4pcs 
Solar panel: 7V 2.5W 
Power bank: 2600 mAh