This cooling face mask is designed to increase airflow allowing a cooling experience for the wearer while decreasing the transmission of COVID-19, viruses, and other germs. They have adjustable ear holes, preventing tension on the ears. These reusable masks are washable, material is 80% polyester 20% polyamide, hypoallergenic and fiberglass free. Not recommended for medical use. Quantity ordered must be in increments of 100 pcs.