Non-woven filter layer is used, tea polyphenols are added to filter harmful substances in the air, antibacterial and anti-flu, absorb peculiar smell and prevent radiation

[Product description] Add tea polyphenols to filter harmful substances in the air, help purify air odors, and create a healthy and safe environment

[Product description] Pure cotton material, solid weave, double-layer thickening, dyed with natural colorant tea pol