the mask bottom layer and the surface layer of the product are made of nonwoven ,and the high efficiency filter
materiels is added to the middle through the thermal synthesis of the machine .the bacterial filtration efficiency ≥95% .
the mask made of multi-layer composite high performance non-woven fabric sewn ,full-connectedd guard ,rear opening strong and durable ;comfotable ;soft ;light breathable, anti-pollution; anti-static .
the fiber ensure the smooth passage of sweat vapor ,it is special for all children in the world .
the mask ensure all matteriels is suitable for the children .
