Polystyrene is a thin, pliable, PVC based acrylic that’s very durable. It’s the perfect choice for trade show displays or other signage that needs to be flexible enough to follow contours in the display. Typical applications include menu boards, point-of-sale signs, industrial signs, directional signage, short term signage, trade show displays, and special even signage.Signs mounted on polystyrene are lightweight, cost-effective, and resistant to dents. They are great for interior signs or for short-term outdoor usage.