Three layers of surgical mask posses the features of filtration efficiency ,Flame retardant ,sterilize ,disinfection and dust-proof . It's disposable ,convinent ,comfortable ,lavourless ,not contain Fiberglas , no stimulus to human skin and water proof .It's low breating resistance and high filtration efficiency .It's tender and soft .The Mask is doing well in filtering harmful gas and restraint dust .It applies widely in medical ,food hygiene and electronic ,dust clean room and public health areas etc…