MIU Masks are your everyday mask, which are simple to use, water resistant, made from 3 layer of soft and comfortable Non Woven & Metlblown, allergic free, and will take care of your airways. This mask will provide a protection against bacteria, dust, smoke, liquid, pollen, and bad smell. MIU MASK have an international standard, and official national distribution, and pass the Nelson’s certificate test in USA lab, Filters 95% Bacteria & Microparticle ( BFE 95% ), ISO, CE Certificate.