Features:
– BLOCKS 99.9% OF COMMON BACTERIA AND VIRUSES
– KILLS 99.9% OF BACTERIA
– NO DETECTED HARMFUL CHEMICALS AND HEAVY METALS
– Comfortable respiration
– Harmless to humans

Packing:
– 1pc ALL-NEW CopperMask Film with 10pcs Enclosed Non-Woven Fabric Filter
– Validation Card- 4 Seals Stickers- 8 Colored Logo Stickers- 2 Ear Bands
– 1 Box can be used for 30 days