*Made of sponge material, can filter small particle of the air.
*Universal Fit with Elasticated Strap. Reusable & Washable,top grade Filtration with Air Flow Valve. 
*Elastic Ear-loop mouth-mask is wide enough for cover nose, mouth and face, for a very comfortable to wear. 
*These Masks Will Cover Both the Mouth & Nose But will Not Limit Breathing.Nontoxic Mask.  
*It can protect your mouth and face from dust, pollen, ash, fog and haze, vehicle exhaust and passive smoking.
*Adjustable hanging ears give you a better experience