Product Name: Kn95 Ffp2 Self-Inhalation Disposable Face Mask N95 Model NO.: KN95 Color: White Age Group: Adult Sterilization: Non Sterilization Shape: Foldable Style: Earloop Layers: 5 Ply Type: Medical Protective Mask Available Times: Disposable Filter Rating: N95/KN95/FFP2 Standard: GB19083-2010 Ce: FDA Trademark: GIFT Transport Package: Paper Case Specification: CE, FDA Origin: China HS Code: 90184910 Product Description Medical Disposable Face MaskButterfly valve mask, active carbon mask (American standard)Materials:Surface cloth and the bottom cloth is non-woven fabric, the middle layer is filtration, activated carbon, carbon cloth weight is 40/60/carbon cloth /20