kn95 face mask, 20 pack black disposable face mask, filter efficiency≥95%, 5 layer cup dust safety masks protection against pm2.5 with nose bridge clip for men women palmjoy <b>there are 5 things we will never lie to you.<b><br><br> ——the face mask for women men kids do gets at the base of all passes of 4 regulated tests including candle test, saccharin smell test, water test and face fitting test at least by 50 times repeated testing;<br><br> ——we will never accept any trojan horse from any tiny particle smaller than 0.3 micro, 5 layers of this breathable face mask blocks more than 95% of particles like pm2.5, dust, fire smoke, droplet, aerosols;<br><br> ——true 360°with no seal along the edge to your skin around cheek, nose and mouth as tested on all 6 face shapes, while 3d bulge-up creates more 9.98cm/3.93’’ breath space to get you out of alien facehugger nightmare while wearing other kinds of masks;<br><br> ——your ears really don’t hurt for we adopt super soft cotton material for ear straps with min 8cm/3.15’’ to max 19cm/7.48’’ stretching size;<br><br> ——your glasses or sunglasses really don’t fog up cause we got a upgraded nose bridge wire to cling better on your nose, although the mist is my favorite!<br><br><br><br> <b>specification:<b><br> color: black<br> package includes: 20pcs of kn95 masks respirator<br><br>