20pcs KN95 mask reusable 4 layer Particulate filtration Anti-bacterial Dustproof PM2.5 protective face mask respirator masks.
 
Material：Non-woven Fabric, KN95 Solvent Spray, Thermal Insulation Cotton
Weight：6g / Mask
Color：White
Men and women Size ：10.5 x 14.5cm
* Preserves heat and is waterproof
* Soft texture and comfortable wear
* PM 2.5 filtration with an efficiency rate up to 95%