Polystyrene sheet painted black on one side, white on the other.

The Poly Board 4x4' is a lightweight and versatile reflector used to bounce, redirect, and soften light on film, television, and commercial productions. Featuring a bright white reflective surface, it creates clean, natural-looking fill light that is ideal for interviews, narrative scenes, and exterior shoots. A staple of professional grip and lighting departments, it provides a fast and effective solution for enhancing illumination and controlling contrast on set.