Product Name KN95 Protective Face Mask Shape Triangle Face Mask Application Hospital, Personal Care Material Non-Woven Certificate CE Origin China Non-woven protective mask, long jaw design, to ensure good fit of different face types. Foldable design, easy to store and carry. High efficiency electrostatic filter material is used for non-oily particles and dust. Protective Effect For micro-substances larger than 0.3 microns, the defense capability of this KN95 protective face mask is more than 95%, and can block micro-substances larger than 0.3 micrometers outside the mask. Microbes such as viruses and bacteria are generally larger than 0.7 microns. Therefore, using a mask such as KN95 can effectively protect against viruses. The production of our face mask KN95 strictly follows GB2626-2006 (China's KN95 standard). The technical requirements and test methods of GB2626-2006 (China's KN95 standard) are basically consistent with 42 CFR 84 (US standard).KN95 Face Mask factory website:http://www.jufacemask.com/kn95-face-mask/