Dear friend

Thanks for your reply to me.this is Hanna from EASTLUX.

This one is the hot sales top one with the details.
Solar Cell: Sunpower
Backpack size: 50 * 32 * 20cm
Folding bag size: 30 * 20 * 5cm
Backpack material: polyester
Backpack capacity; 30L
Backpack color: black
Product weight: 500g
Power is 6.5W single USB, 5V / 1.2A

In addition, I added our other best-selling models in European countries to the attachment.
Which one you more interested in then I send the details to you.thank you in advance!
Best wishes

Hanna
Company name: EAST LUX CO., LTD
Tel:0755-28262663
Skype/ WhatsApp/Facebook/Linkedin:+86 13652432471