Material of bag: Random pattern

Soft Solar panels --Amorphous Silicon: 18V  45W  (UNI-SOLAR—made in USA)

Power Bank Battery:(optional)you can choose the one you need

SB-A01/ SB-A01A:  Capacity:12000ma/h    Size/Weight:140x90x25mm /350g                                                                                                                                                                                                                                                                                    SB-A02/SB-A02A: Capacity:16000ma/h    

Size/Weight:140x90x25mm /450g                                                                                  

BS-A01A: Capacity:20000ma/h    

Size/Weight:282x205x20mm / 800g                                             

BS-A02A: Capacity:54000ma/h    

Size/Weight:282x205x20mm / 1300g