Pinit BACKINGS for Current Trade Papers. 10-3/4 x 13-1/4" .030" thick Chipboard. Short-term Storage. SKU: KCB30TPC Price: $20.82Unit Price: $0.8328 25 - Price: $20.82 50 - Price: $35.52 100 - Price: $58.36 500 - Price: $219.40 1000 - Price: $386.50 DETAILS BACKINGS for Current Trade Papers 10-3/4 x 13-1/4" .030" thick Chipboard. White on one side. Use for short-term storage. DETAILS Back DETAILSBACKINGS for Current Trade Papers 10-3/4 x 13-1/4".030" thick Chipboard. White on one side. Use for short-term storage.