Pinit BACKINGS for Rock & Personality Posters. 20 x 28". .1875" thick, C-flute Corrugated Cardboard. White both sides. Short-term Storage. SKU: KRPP (0)No Reviews yet Add to Shopping Cart Details Rock & Personality Poster Backings 20 x 28" .1875" thick, C-Flute Corrugated Cardboard White both sides. Short-term Storage. Details Back DetailsRock & Personality Poster Backings 20 x 28" .1875" thick, C-Flute Corrugated CardboardWhite both sides. Short-term Storage. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review