new sponge facemask pm2.5 mouth-muffle sponge face mask anti-dust anti-fog for cycling y valve 12.5 cm

new sponge famask pm2.5 mouth-muffle anti-dust anti-fog for cycling y valve 12.5 cm.features: material: sponge skin-friendly material makes it feel comfortable when you wear it. double filter: 2 layers thick preventing dust perfectly. high quality: 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.