solar product, solar cap,solar hat,solar promotional gift name:solar products,solar gifts,camping bag,solar bag,solar backpack,solar charger bag,solar energy bag,travel bag,solar cap,solar hatModel:LD29736Description:Solar cell: monocrystalline silicon 0.7WBattery: Li-ion 3.6v 900mAhNI-CD 1.2V/1000mAh*2Fabric: 600D polyester/PVC and 300D ripstop polyesterExpandable backpack with cell phone holder ...