dhl shippm2.5 half dustproof breathing valve collagen face sponge mask washable reusable anti-dust fog pm2.5 masks black 9oa6

pm2.5 half dustproof famask breathing valve sponge mask washable reusable anti-dust fog pm2.5 masks black a.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.