World Centric compostable NoTree® paper lids for 12-32 oz paper bowls are made from paper produced from crop residues and alternative fibers like bamboo. Great for hot or cold foods. The NoTree® brand is the eco-friendly choice, and shows a commitment to environmental responsibility. These disposable lids have a bio-based lining, and are freezer safe. They are certified compostable in a commercial facility, which may not exist in your area.