This
product consists of three materials: non-woven fabric, nose strip
and elastic band. The face of the mask is divided into inner,
middle and outer layers. The inner layer is ordinary non-woven
fabric, the middle layer is ultra-fine polypropylene fiber
melt-blown cloth, and the outer layer is non-woven fabric or
ultra-thin polypropylene melt-blown cloth. The mask belt is made of
elastic band, which is made of non-woven fabric with elastic band
inside. The nose strip is made of metal strip, which contains
fine-plated iron wire.
