Get organised with the Spirax® Purchase Order book. Perfect for small and medium-sized businesses, this high-quality book is made from NCR paper, ensuring your duplicate copies stay clear and crisp. Each form has a unique sequential number so that no two customers can receive the same document number making accounting and filing tasks easier. The spiral binding ensures covers and forms can be folded backwards, keeping paperwork secure. The range includes books suitable for use in most areas of business including reception, accounting, ordering and delivering.