World Centric certified compostable paper bowls are lined with NatureWorks Ingeo, which is derived from plants grown in the USA. Most cups you'll find on the market are lined with polyethylene and won't compost. Suitable for hot foods up to 220 Fahrenheit Microwave and freezer safe* Soak proof No plastic or wax lining Conform to FDA guidelines for food use We believe that the best way to protect the world’s forest is to reduce consumption of tree-based products. Technologically, it's difficult to make something similar to these paper bowls from alternative fibers. We are currently researching to see if paper cups and bowls can be made from a mix of alternative fibers, recycled fibers, and responsibly managed wood/paper fibers to create a more sustainable product. In the meantime we carry lines that have improved on the standard paper cup. Instead of using petroleum based plastics which create toxicity and environmental pollution, you can now use our compostable alternatives. *Not recommended for high-wattage microwaves. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.
