Pinit BACKINGS for Mini Comics 5-9/16 x 8-7/16" .030" thick. White one side chipboard. Short-term Storage. SKU: KCB30MC (0)No Reviews yet Add to Shopping Cart Details BACKINGS for Mini Comics 5-9/16 x 8-7/16" .030" thick. White one side chipboard. Short-term Storage.Made from white on one side Chipboard - pH neutral... Details Back DetailsBACKINGS for Mini Comics 5-9/16 x 8-7/16" .030" thick. White one side chipboard. Short-term Storage.Made from white on one side Chipboard - pH neutral (contains acid). Our most ECONOMICAL backing board. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review