Siaposable Civilian Protective Mask Qingdao Great New Material Technology Co., Ltd. Base Info Type:Surgical Supplies MaterialsMaterial:Non-woven FabricEthylene Oxide Sterilization:Ethylene Oxide SterilizationQuality Guarantee Period:One YearGroup:AdultOrigin:China Description Pre:Disposable Sterile Medical Three-Layer Melt-Sprayed Cloth Mask Next:Medical Isolation Mask