-2 layers of 100% cotton fabric
-Behind the head elastic that is very comfortable!  More comfortable than behind the ears, but the elastic can be trimmed and tied behind the ears if you prefer. 
-This design *cinches* on the sides, so can be adjusted for a better fit.  Just hold one side of the mask and pull on the elastic.
-One size fits *most* adult's faces
-Please note this is not an FDA approved mask for viruses or a medical mask
-Machine wash mask between each use for maximum effectiveness
-WASH MASK BEFORE USING!
Care instructions: Machine wash with cold water & tumble dry on low heat.