2 Layers | Reusable and Breathable with 100% Copper Layer | Adjustable Elastic \n \nCopper has been proven to destroy microbes within a few hours upon contact. It was also designated as antimicrobial by the U.S. EPA (Environmental Protection Agency). Our face masks, which contain a 100% copper filter, are antimicrobial, antibacterial, hydrophobic and very soft and durable. \n \n2 layers with a soft, 100% cotton inner layer. These face masks have soft, elastic ear loops/bands that are adjustable to ensure a secure fit. \n \nAdult sizes only. \n \n* Contains 100% copper filter that is removable (Note: Copper may oxidize onto cotton material.) \n* Multilayered \n* Washable, reusable \n* Antibacterial and antimicrobial \n* One size fits all (unisex) \n* Soft, adjustable ear loops/elastic bands \n \n***This mask is not medical grade.*** \n \nDue to sanitary reasons, we do not accept returns or exchanges.