Pinit Backings for New Comics. 6-11/16 x 10-3/8" .030" thick. White one side chipboard. Short-term Storage. SKU: KCB30N (0)No Reviews yet Add to Shopping Cart Details New Comic Backing Boards6-11/16 x 10-3/8" .030" thick chipboard.White on one side. Short-term storage. Details Back DetailsNew Comic Backing Boards6-11/16 x 10-3/8" .030" thick chipboard.White on one side. Short-term storage. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review