100% cotton - can be machine washed up to 60 degree but DO NOT Tumble dry allow to dry naturally. 

For best wash, wash by hand in hot soapy water, rince and dry. 

PLEASE NOTE: These face masks are NOT medical grade masks (which are recommended by the World Health Organization (WHO) as an infection preventative measure, i.e. grade FFP2/N95). So please DO NOT purchase these face masks with the false understanding they will prevent infection from Corona virus. They are more about protecting others to reduce spread. Please wash your mask regularly, ideally daily, to keep it fresh and hygienic. Due to the personal hygiene nature of the product, the masks are non-returnable.