Xantrex 115W Solar Max Flex Panel. Peel-and-stick panels require no drilling. Mesh grid technology provides durability and performance benefits with approximately 2000 points of contact per cell. Panels can flex up to 180 degrees without affecting power output. ETFE (Ethylene-Tetra-Fluoro-Ethylene) top layer allows resistance to corrosion, stains and weather. Used for marine, recreational, work and specialty vehicles.