These face covers contain 2 layers of fabric: a cotton interior and a polyester exterior for healthy wearing. The item is very stretchy and fits most with ease, and can be washed and worn again and again.
It comes in 2 styles: Hexagon and Rectangle (see images).
Material details: Fabric on Inside: 100% Cotton; Fabric on outside: 84% Polyester/ 16% spandex exterior.
Note: Not medical grade. Not comparable to N95 masks.