Velocity Solar Panel USB ports for charging a wide range of products when you're far from home. COMPACT: Only 12.7 ozs. Extended size: 22 x 9. Folded size: 6.5 x 9 Mono-crystalline silicon ANTI-SCRATCH PET panel PET laminated, PVC WATERPROOF fabric POWERFUL: Solar Conversion Efficiency: 17%-20%. Power conversion: &gt;96%