dhl shipisilk with breathing valve washable sponge reusable anti-dust pm2.5 face masks black recycle mouth dust mask for fa iam4

isilk famask with breathing valve washable sponge mask reusable anti-dust pm2.5 masks black recycle mouth masks gga3303 y.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.