A pocket opening for the replaceable PM2.5 carbon filter
2-pack of carbon filter inserts made from meltdown fabric
Outside layer is made out of 100% polyester water-resistant fabric, the inner layer is made from 100% water-absorbent cotton. The elastic loops are made of polyester and spandex and the o-rings are made out of silicone.
Machine washable on a warm cycle with like colors. Tumble dry low heat or hang dry. Note that filter must be removed prior to washing. Filters are not machine washable and need to be replaced regularly.