PolyFlute is a twin wall Polypropylene sheet that is lightweight and cost effective, and designed usually for short term applications in comparison to our other signage options. It is lightweight, weather resistant and is the industry standard in construction, events, real estate and business signage. We offer direct to media printing at the highest quality, with fast production times. Choose any custom size and quantity on 3mm or 5mm thickness. PolyFlute is common for temporary signage, for both indoor and outdoor use, to effectively and easily advertise your business.