The material is a high-density fiberboard (HDF) that has a white face from bonded polymer on both sides. It is moisture resistant and suitable for indoor and outdoor use. This wood is both extremely versatile from a printing perspective as well as in its ability to be cut to shape and used in a variety of settings and circumstances. Yes, fiberboard is different from MDO board as it tends to have a smoother and flatter finish and thus lends itself to a more consistent and high-quality print job than when printing directly on MDO.