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PM2.5 Insert for Face Masks

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Size Guide
  • 5 layers
  • Recommend to change every day for maximized protection effect from dusts and so on.
  • Size:
    • Adult: 8 cm x 12 cm
    • Kid: 7 cm x 10 cm

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Size Chart
Please get your exact and accurate foot measurements before utilizing this chart. 
Here is How to measure your feet.