disposable s n95 face masks ffp2 bacteria proof anti pm2.5 influenza breathing dustproof kn95

item introduction: namekn95-ce-5 materialnon-woven fabric, kn95 solvent spray, thermal insulation cotton weight6g / mask colorwhite size 10.514.5cm quantity5 masks / pack item details: * preserves heat and is waterproof * soft texture and comfortable wear * pm 2.5 filtration with an efficiency rate up to 95% a good kn95 mask should can contain water and not leak then almost means it can anti and filter very small virus