dhl ship anti dust er pm2.5 anti-dust mouth mask dustproof anti-l washable reusable sponge face masks bc46

anti dust famask mouth er pm2.5 anti-dust mouth mask dustproof anti-l washable reusable sponge famasks k.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.