Pinit BACKINGS for NEW YORK TIMES FLAT Newspapers. 12-1/2 x 23-1/2" .028" thick Acid-Free Board. Long-term Storage. SKU: KAF28NYTFLAT (0)No Reviews yet Add to Shopping Cart Details BACKINGS for NEW YORK TIMES FLAT Newspapers. 12-1/2 x 23-1/2" .028" thick Acid-Free Board. White on both sides. Use for long-term storage. Details Back DetailsBACKINGS for NEW YORK TIMES FLAT Newspapers. 12-1/2 x 23-1/2".028" thick Acid-Free Board. White on both sides. Use for long-term storage. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review