27x41 Black Poster Frame W/plexi-glass Available in 16 Sizes Available in 16 sizes for all your poster framing needs. Easy to use and great for framing band posters, movie posters, theater playbills, store or restaurant advertisement signs. The "easy slide off" frame sides are made of a black plastic that comes with styrene (a thin acrylic sheet to protect the front of your art) and a sturdy hardboard backing. NO flimsy cardboard on these poster frames. The hardboard backing has hangers already stamped into them so you can hang your art either vertically or horizontally with no difficulty.