This shark mouth face mask is a cool way to keep yourself protected. The ear straps are flexible and stretch to a comfortable fit. This mask is made with double layer fabric to provide additional protection. One size fits most. These masks are for general non-medical purposes only. We believe medical, surgical, or N95 masks should be reserved for healthcare workers and medical first responders. Please note: Bandanas, handkerchiefs and face masks are not eligible for refunds until further notice.