Basically, the Kangofu was a long sheet of paper, large in size (82 cm long by 36 cm across), on which the matching seals with letters in red ink and handwritten Chinese kanji numbers (one of which was written in red ink) were printed, and on the other side of the document the type and number of articles for presentation, supplementary cargo, the number of passengers including the chief delegate were listed.
基本的には、朱墨の半印がされた文字と、筆記の漢数字(一方は朱：赤で記載)のある大きめの縦長(縦：82cm横：36cm)の紙で、裏面には献上物、数、付帯貨物、正使以下の乗船者数などを記入したもの。