•1stlayer: waterproof fabrics with anti-droplet infection functions;
•2nd layer: nanometer polyester fiber with dust prevention and fungi-proofing functions;
•3rdlayer: non-woven reinforcement layer with strengthen dust prevention and fungi-proofing functions;
•4thlayer: Melt sprayed non-woven with fungi-proof and anti-virus functions;
•5thlayer: strengthen melt sprayed non-woven layer;
•6thlayer: strengthened non-woven layer;
•7thlayer: strengthened Nano-meter polyester fabrics;
•8thlayer: comfortable skin touched fabrics with moisture absorption functions.