Many bonnets are 100% cotton. All are lined with satin, Your homemade face masks are 100% cotton fabric and washable. They have a slot/opening at the top or bottom for you to add a filter of your choice. Wash face mask by hand only at least once per week in hot soapy water.
Bonnet and Face mask set
Wash face masks by hand only at least once per week in hot soapy water. Place in dryer at low to medium heat.