The 21589 Da-Plex, by Da-Lite, is the optimal rigid rear projection screen with eight coating options formulated to fit your application requirements. The Da-Plex is an acrylic, lightweight rigid rear projection screen, and coatings are permanen…tly bonded to the substrate and cannot peel off.Product Features:Da-Plex 87 x 139 16:10 Projection ScreenStandard sizes up to 9Õ high X 18Õ wideFour factory framing options available: Base, Deluxe, Standard, and Self-Trimming