These breathable vented masks are made of cotton, with a slot for a filter. (Filter not included).  Perfect for travel, cold and flu season, yard work, and deep cleaning. 

SIZE  

• One size fits most
• Adjustable straps 

• Breathable and vented 
• Slot for filter 
• Filter not included

• 100% Cotton 
• Pocket opening to add a filter
• Filter options can include additional fabric layers (felt, flannel, cotton) PM2.5 filters, disposable HEPA filters, coffee filters, and vacuum filters are all quite effective).
• Please remember to change the filters between each use