Pinit Japanese B3 Movie Poster BACKINGS. 14-1/4 x 20-1/4". .125" thick Archival Corrugated Cardboard. Acid-free & Buffered. Indefinite Storage. **NEW** SKU: KJMVPB3AC (0)No Reviews yet Add to Shopping Cart Details MUSEUM GRADE B3 Japanes Movie Poster Backings 14-1/4 x 20-1/4" .125" thick Archival Corrugated Cardboard. Acid-free & Buffered. "Banner Blue". Indefin... Details Back DetailsMUSEUM GRADE B3 Japanes Movie Poster Backings 14-1/4 x 20-1/4".125" thick Archival Corrugated Cardboard. Acid-free & Buffered. "Banner Blue". Indefinite Storage. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review