KOKUYO Invoice, set of 4 books Non-carbon, 40 sets Size: Approximately 26 x 18 cm (measured by an amateur) Although new and unused, these items have been stored at home for a while. There are some stains and scratches on the outside, but I think there will be no problem using them. There may be oversights, so please check the photos and purchase after understanding. Please forgive the use of recycled materials for packaging.