Also available as a pack of 25, SKU - BOL-PA-12-K-P. World Centric compostable kraft paper lids for 12-32 oz paper bowls are made from unbleached sustainably sourced kraft paper with a bio-lining made from plants. Our bowl lids are suitable for hot or cold foods and liquids. These are certified compostable in a commercial facility, which may not exist in your area. By using compostable lids, you are reducing waste and taking action to make a difference.