in stock] 1 slim pm2.slim wecan face 5 mask with 3.0 breathing valve anti-dust anti-fog large qua

[in stock] 1 5 anti-fog wecan mask pm2.5 mask with 3.0 breathing valve anti-dust anti-fog large quantity discountgs i.features: material:skin-friendly material makes it feel comfortable when you wear it. double filter: 4 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.