[12-pack] black unisex single-layer reusable and washable polyester face masks | soft and comfortable face covering with stretchy ear loops | breathable sports mask for protection outdoor + indoor liberty masks always have a mask on you with these sleek polyester face masks. these single layer polyester face masks are the ultimate in comfort and breathability, boasting a stretchy, yet durable design for everyday use. the masks are made of polyester and spandex to provide the most comfort and elastic ear loops for minimal irritation after extended usage. these face masks can stretch to fit most adult faces, but may be too large for children. it is recommended to wash by hand only to achieve best results every time. note: these polyester masks do not have a pocket for filters.