Bonbijou Reusable Mask Replacement is made of fleece, meltblown cotton and activated carbon fibre protects you and your little ones from air pollution and harmful bacteria.

The PM 2.5 filters comprise of 5 layers of protection:

1) Fleece

2) Meltblown Cotton

3) Activated Carbon Fibre

4) Meltblown Cotton

5) Fleece

Filters have a shelf life of 2 years.