is a specialist Japanese paper. It is an extremely thin kōzo paper that is almost transparent. One of its uses is for archival conservation. It has also been used for lighting design. The paper is produced in the

Kochi prefecture Kochi ( , ), formerly known as Cochin ( ), is a major port city along the Malabar Coast of India bordering the Laccadive Sea. It is part of the district of Ernakulam in the state of Kerala. The city is also commonly referred to as Ernakulam ...

of Japan by the company Hidaka Washi since 1949. The product is made with ''kozo'' (stems of

mulberry ''Morus'', a genus of flowering plants in the family Moraceae, consists of 19 species of deciduous trees commonly known as mulberries, growing wild and under cultivation in many temperate world regions. Generally, the genus has 64 subordinat ...

trees), alkaline water and ''neri'' (a liquid from the tororo-aoi plant).

References

Japanese paper Conservation and restoration materials {{Japan-culture-stub