Coro-Flex plastic is a continuously extruded fluted polypropylene copolymer plastic sheet with no lamination. Coro-Flex is suitable for indoor and outdoor use. It provides permanent durability at the price of temporary conventional materials. This lightweight plastic is cost-effective including savings on shipping, handling and installation. Coro-Flex is washable and reusable. This fluted plastic sheet is ideal for pole signs, indoor and outdoor displays, real estate signs, and many other applications.