http://www.ju-facemask.com/non-medical-disposable-face-mask/ Non-Medical Disposable Face Mask Product Description Non-medical disposable mask is made of 3-layer material, which consists of non-woven fabric for easy breathability and melt-blown fabric for filtering droplets. Stretchable ear-loops keeps it hold on your face comfortably without the need to adjust it when you work. A flexible nose bar is adopted at the bridge of the nose; You can mold the nose bar to make the face mask fit properly. Make sure that the four sides of the masks join flatly and tightly to the face. Hence, it avoids unfiltered air directly entering the disposable facemasks and thus make breathing safe. zhejiang lily underwear company Recommended Use Non-medical disposable should be used under daily life circumstances. No medical use should be conducted. Once a disposable mash has been worn for 4 hours, it should be discarded. Therefore, three mask a day may be needed for proper protection during pandemic. Features and Details 鈼?General use face mask. Not for medical purposes 鈼?For Mouth and Nose Protection 鈼?3-Layer, Comfortable, Ear-Loops 鈼?These Masks should be disposed after each use 鈼?Mask Rating Requirements: GB/T 32610-2016Non-Medical Disposable Face Mask website:http://www.ju-facemask.com/non-medical-disposable-face-mask/