This innovative, water-resistant backpack features 3 Watt solar panel and USB port to sync and charge your devices conveniently and in styleTop handle, Adjustable shoulder straps, Flap and zip closure, 3-watt mono-crystalline solar panel integrated with USB controller, Backup battery 2500 mAh, Inside laptop pocket, Inside zip pocket, Lined, 11"W X 21"H X 6"D, Wool/polyester, Made in Italy, ; CHARCOAL