If You Care Coffee Filters are made from unbleached totally chlorine-free (TCF) paper. Like all If You Care paper products, these Coffee Filters are totally chlorine-free, so no chlorine or chlorine derivatives are dumped into our lakes, rivers and streams. The cone filters feature a strong 'never break' patented wave seam, which assures the strength and integrity of the filters. If You Care coffee filters will not affect the taste of your coffee but they will, of course, reduce the amount of pollution in our environment.