Extang Encore Tonneau Cover is all new and has the most advanced features of any tonneau available! From the unique advanced composite Fiberglass Reinforced Plastic panels that hold a moderate temperature in extreme weather and never dent like aluminum panel tonneaus, to the integrated weather seal that gives the bed area more protection from moisture, the Extang Encore is a hard act to follow! Compare to any other hard folding tonneau cover and Extang Encore comes out on top with exceptional build quality, made in the USA, and next generation features like cab panel access, Extang Encore Tonneau Cover is really the only folding hard tonneau to consider!