This is a brand new pack of 20 disposable medical masks. They are made of nonwoven fabric, with three layers of filter protection (3-ply) with ear loops. They are factory sealed and sterilized, made in China, and they are certified by the U.S. FDA. They are all white, and one side is marked (OUT) to indicate which side is worn facing out and way from the face.
The per-mask price is $1.00 (20 masks in the package for $20).