Abbreviations
| JP | Term in Japanese |
| RO | Romanization of Japanese term |
| PR | Pronunciation of Japanese term |
| PY | Pinyin version of term |
二層夾宣
(RO: nisō-kyōsen; PR: "nee-so-kyo-sen")
Paper made by gluing together two layers of thick senshi (宣紙): a kind of Chinese paper that is particularly good for calligraphy. This kind of extra-thick paper is strong and very absorbent.