About this item [NIOSH Approved N95 Mask] Harley N95 face marks are approved by NIOSH under approval number TC-84A-7228. Manufactured by Guangzhou Harley Commodity Company Limited, Model: L-288. [3 Layer Protection] These NIOSH-certified n95 masks give you three layers of effective protection. The outer layer is non-woven polypropylene which bars outside dust particles, the middle layer is a dual polypropylene meltdown filter layer and the third layer is a skin-friendly fabric. [Anti Fall Nose Clip] The n95 mask has a fixed nose clip which is flexible and adds comfort & security to fit your face perfectly. Harley mask has elastic head straps which are very convenient and easy to wear. [Comfortable Design] Harley N95 face mask is designed in a cup shape which provides comfort & safety against non-oil-based particles, giving you 95 percent filtration and helping easy breathing. [Multi Purpose Use] This n95 respirator mask is applicable to all public places such as homes, schools, factories, and companies, indoors, and outdoors. It can be used in any weather.