Correx boards are made out of corrugated polypropylene, also known as a fluted plastic board. This material will make for trusted signage as a result of its rigidity, and colorfast, water-proof and weatherproof properties. We love to see your custom creations. Post a photograph on social websites and insert @Vistaprint https://www.indigosupplies.com/blogs/news/protect-floors-and-surfaces-with-correx%C2%AE-temporary-floor-protection