If You Care Basket Filters are made from unbleached paper, contain no artificial fibers and are totally chlorine-free (TCF). Since no chlorine or chlorine derivatives were used to produce these filters, no chlorine or chlorine derivatives get dumped into our lakes, rivers and streams. Our coffee filters will not affect the taste of your coffee. But they will, of course, reduce the amount of pollution in our environment. NOW CERTIFIED COMPOSTABLE for municipal or commercial composting as well as for backyard or home composting.