Check the listing for details. CHICAGO FLAG SKYLINE BLACK Cotton Face Mask with filter. Color: Black, Condition: New without tags. Listed at 6.00 USD. Handmade Chicago Cotton Face Mask with filter. Shipped with USPS First Class Package.Message for special sizes if prefered. These masks are NOT medical masks. These masks help cover your face from dust and help keep you from touching your face. Cloth masks can also help keep vapor from spreading while speaking, and can act as an aid for social distancing. Again, these masks are NOT intended and cannot be considered a medical mask. If you want extra protection you can wear this cloth mask over your N95 mask. By purchasing this listing, you are acknowledging the fact these are not medical grade masks. We do not claim any medical benefits with the use of these masks. Our masks are NOT intended to prevent, treat, or cure any diseases