Feature strongfiltrationandagainsttheaerosolintheair Material meltblown,acupuncture,spunbond Function 1.softfabric,cutuniform,wearcomfortable 2.pleasinginapperance 3.breathingwithouttheresistance 4.highfiltrationrate 5.rubberband,moderater-intensity 6.ittakeintoconsiderationboththecomfortofthehumanbodyandefficientbreath CertifiedISO 9001:2000, ISO13485, FDA ,CE