Sunman eArc 355W - Flexible Solar Panel - Thin Frame Around Perimeter2007 x 1019 x 5. 6mm 6. 6kg Mono PERC Cells 39. 5Vmp These lightweight yet robust solar panels are perfect for caravans, motorhomes, yachts, trains, buses and other applications. Made with a Patent Pending composite material similar to those used in airplane windows. These panels are tough enough to be approved by the Clean Energy Council for residential use yet they don't have a heavy, rigid frame or glass. Click the Features tab for more