disposable mask, protective mask, bacterial filtration efficiency>95%, 3ply earloop pm2.5 mask protect face masks

material: hydrophobic non-woven +melt blown filter * length: 17cm * 9.5cm * weight: 3g/pcs * packing: pe bag * color is blue**please be kindly noted that the listed product is produced and distributed abroad and subject to the laws of its country of origin**