Fitted mask has adjustable ear straps, Bacterio-Static that kills harmful bacteria, odor neutralizing to keep the mask smelling fresh and thermal regulating to keep the face comfortable. Washable. One size fits all. Not intended for medical use. We do not make any claim that mask can protect against COVID-19 or any other virus, and are not intended for fine particulate filtration. Each mask comes with carrying pouch, 6 dozen per case.