Masks are made with 65% cotton and 35% polyester. Enjoy comfort & breathability with adjustable ear straps and nose clip for a snug fit. Hand wash before first use and before and after every use. The CDC recommends the use of cloth face coverings while in public to reduce community spread by asymptomatic persons. Face coverings are not FDA-approved, not intended for medical use, and not proven to reduce the transmission of disease.