Two layers of lightweight cotton material styled like a typical mask you would get at a doctor's office. Elastic straps (1/4 inch wide) go over ears. Bias tape channel on inside upper edge may be used for nose wire, Paper clip pipe cleaner, twist tie, etc., if desired, but it is not necessary. Washble. Remove wire during washing.Safety Note: Bend ends of wire in a circle or wrap with tape to avoid sharp ends. Use at your own risk. Note that our reusable face masks are not medical devices or personal protective equipment (PPE).