Five layer Comfortable Protective Face Mask

About this mask:

• The first layer of breathable plastic layer fits the contours of the face and blocks larger particles.
  
• The second activated carbon filter layer adsorbs chemical pollution in the air,
• The third layer of velvet cotton assists in filtering harmful substances to filter smaller 0.30 micron dust,
• The fourth layer of sprayed cotton reinforced layer strengthens and filters 0.03 micron PM2.5 particles.
• The fifth layer of non-woven fabric is comfortable and breathable, and it is not easy to get dirty and high.