Both cloth napkins and disposable napkins are unsanitary if you leave them on for a long time without changing them.
Particular care must be taken when tampons are left in the vagina for a long time, as bacteria may rapidly grow there.
We recommend replacing all sanitary products, not just cloth napkins, as often as possible.
Cloth napkins can be kept clean by washing them properly after use.
Linenna's cloth napkins use bioguard material that has been treated with antibacterial treatment inside the cloth napkins to keep them more clean.
This article explains in detail the correct way to wash cloth napkins to remove menstrual blood without rubbing them. https://rinenna.jp/articles/1179/ 
