Adjustable Fabric Face Masks - 41 Winks | Sleep Masks
We gotta reiterate, our face masks are not PPE and are not FDA approved. But with face coverings being a thing now, we're proud to say ours is pretty great. #humblebrag; Each mask consists of three layers: one top layer of cotton fabric, one middle layer of polypropylene filter fabric, and one bottom layer of cotton fabric.