The fluted center of corrugated plastic gives Coroplast structural strength while still being lightweight and easy to cut. That makes Coroplast the substrate of choice for applications that require featherweight, waterproof, and and durable signs. Directional signs and spinner arrows are often made of Coroplast. The flutes of Coroplast are perfect for holding wire stakes, making easy yard signs. POP displays make good use of Coroplast’s rigidity. Any time you need something lightweight, portable, colorful, and resistant to crushing or frequent handling, consider Coroplast signs.