Material:900D PVC with strong metal buckle and zipper +TPU water bag
Size of bags as follows:
Fashion new design solar back pack 20L/30L/40/50L 900D pvc polyester laptop business bag waterproof dry with USB cable recharger
1 piece in 1 PE bag and 10 pieces in 1 carton.
Solar conversion rate:22.5%
Spare Part:1 piece of USB cable
Solar Bag Manual-------------
Solar back pack bag is an eco-friendly mobile phone charger,collect power from sun,then converts sunlight into electricity and charging electronic devices such as mobile phone,power bank,camera etc.the backpack is very good for your outing,can put your different gadget inside,make your traveling life so easy and comfortable.
Charging the battery
-1 PCS battery(optional)
-1 PCS micro USB charging cable
Color can be customized
Logo can be customized