100% polyester, B-Core moisture-management fabric; 3-ply; Contains antimicrobial agent to control odor-causing bacteria and does not claim to provide any antiviral or infection prevention/reduction or make any filtration claims; Comfort anti-chafe ear loops stretch 100% and hold their shape; Middle seam contours and conforms to the face. Extends up the nose for maximum coverage; Durable lab-tested fabrics hold shape and fit after wash; Writable interior name bar for identification; Washable/reusable ; CPSIA compliant ; Sold individually ; This product meets the following Sustainable Style subcategory:Socially Conscious Manufacturing: This product was made in a facility that has partnered with or is accredited by the Fair Labor Association.