NEL Kids Face MaskAbout Me This NEL Kids Face Mask is designed to provide comfortable and reliable protection for children It is perfect for everyday use and provides an excellent level of protection Features/Benefits Filters airborne particles,dust,smoke,ash PM 2.5 pollution, vehicle-exhausted gas,etc Light and breathable Can be used all year in any weather Skin friendly fabric and plastic coated metal nose bar Multiple layer filtration Soft elastic ear loop, confortable to wear Specs Contents: 2 layers: non woven polypropylene 2 layers: meltblown 1 layer: cotton film Plastic coated metal nose bar strip Elastic ear loop strings 5 layers fro maximum filtration and protection.