What's in the box:

1 X 3Pcs Mouth Cover Filters PM2.5 Activated Carbon Filter Pad Replaceable Fog-proof Haze-proof Dustproof 6-Layer Protective Pad (Silver), Silver

5 Layers PM2.5 Activated Carbon Filter Pad. Dust-proof, odor-proof, gas-proof, fog-proof and anti-PM2.5 allergies, the filter will provide perfect protection for you. Easy to use, very practical.

Features:
5 layers of material, the pad can effectively filter dust and other harmful substances.
Odor-proof, dust-proof, gas-proof, and haze-proof, etc.
Wide application, suitable for kinds of PM2.5 covers.
The filter will provide comfortable protection for you.
Easy to use, very practical.

Packing List:
3Pcs filter pads

Specification:
Size: 14.5*10cm/5.7*3.9in
Unit weight: Approx. 5g/0.176oz