Lids for D1100, P800 and P1100 deli bowls. They are made from polylactic acid (PLA), which is made from agricultural crops such as corn and potatoes and are fully biodegradable and compostable. There are no animal or petrochemical ingredients in the lids. Reuseable. For use with warm/cold foods (ie, up to about 110 degrees). Case of 300 (6 packs of 50). Eco Categories: Biodegradable, agriculturally based, less toxic, animal friendly, reuseable. Note: Discontinued.