• 4 layers of fabric
• Cotton-polyester blends outer shell
  
• Cotton inner layers for easy breathing
• Contoured construction to better fit on your nose and chin
• Super stretchy earloops to fit most
• Each mask comes with 4 pieces of 5-layers activated carbon PM2.5 filters
• Fabric mask is washable and reusable 
• Activated carbon filters are not reusable and should be replaced every week
• Extra filters can be purchased separately
• Always free shipping on filter refills