TOPWEL PM2.5 Adult Cotton Plaid Dust Mask Respiratory Valve Anti Haze Masks Mouth-muffle with Exhale Valve (A- Plaid) Washable Reusable Mask: Protection from Dust, Pollen, Allergy, Flu Unisex Adult Size,fits most people Ventilation Holes on Mouth, Soft and comfortable to wear Ideal for Dust, Germs, Allergies, Smoke, Pollution, Ash, Pollen, Crafts,Gardening,Travel, Anonymity package included:1*mouth mask