In Italy it is better known as rice paper, even if it's made using mulberry trees.
These paper are made largely by hand, machines are only needed for printing and sometimes for the mixing of pulp.
The paper is produced in India.
Calambour itself has ensured that the ethical standard is met by the producers, while fully respecting the rights of all workers (especially about their health and their safety at work).
The warranty is extended to human rights in general (for example, our suppliers don't use child labor).