Pinit Billhead BACKINGS. 6 x 8-1/2". .030" thick chipboard. White one side. Short-term Storage. SKU: KCB30BH68 (0)No Reviews yet Add to Shopping Cart Details Billhead Backings 6 x 8-1/2" .030" thick Chipboard. White on one side. Short-term storage. Details Back DetailsBillhead Backings 6 x 8-1/2" .030" thick Chipboard. White on one side. Short-term storage. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review