[product structure composition]: The main raw materials of this product are nonwovens, auxiliary materials are nylon zippers, cuffs and ankles, polyester thread, warp.It is made of cutting and sewing.It is not sterile and can be used for one time. [scope of application]: for outpatient service, outdoor duty, guard, express delivery, private transportation, community epidemic prevention, manufacturing and production enterprises, companies and institutions, stations, supermarkets, taxi drivers, school workers, migrant workers, etc. as general isolation.