10 Pack Lot Sales Book Order Receipt Invoice Carbonless Copy 50 Sets 4.25" X 6.5" Go to amazon.com Related posts Best invoice receipt book FeatureCarbonless Copy2 Parts paper white & yellow50 Duplicate Forms in each book10 Pack. Size: 4.25" X 6.5"14 -Line Forms Description10 Pack Lot Sales Book Order Receipt Invoice Carbonless Copy 50 Sets 4.25" X 6.5"