If you care fsc certified coffee filters are made from unbleached, totally chlorine-free paper, and is perfect for brewing fresh coffee in any no. 6 cone style coffee maker. The environmentally friendly coffee filters make clean up a breeze. They are certified compostable in home and commercial composting facilities by vincotte, offering maximum pleasure and minimum environmental impact. Each box contains 100 size no. 6 filters. country of origin : united states is gluten free : yes is kosher : yes size : 100 ct pack of : 1 selling unit : each keywords : chlorine;compostable;free;unbleached