sponge dhl mask shipanti-fog three-dimensional slim face breathing valve y dust anti-fog haze pm2.5 mm4g1

anti-fog mask dust mask sponge three-dimensional breathing valve y dust anti-fog haze pm2.5 5.features: material: sponge skin-friendly material makes it feel comfortable when you wear it. double filter: 2 layers thick preventing dust perfectly. its extensible and stronger is not easy to be damaged. widen elastic ear-loop: with stretchy widen ear-band for closely fit, easy to wear and off.