1. Protective pads should be used with masks. When using a mask, it can be placed in a mask to filter dust, haze and certain viruses, which will increase the life of the mask.
2. The upper and lower layers are non-woven materials with a spun-bond filter, and the middle layer is a meltblown material.
Single piece size: 4.65 in*3.46 in / 118*88 mm
1 Pack of 100 tablets / 2 Packs of 200 tablets (Optional)