These knives are made from polylactic acid (PLA), which is derived from agricultural crops such as corn, and are fully biodegradable and compostable. Not designed for use with extremely hot food. There are no animal or petrochemical ingredients in the knives. 1000/case (bulk). Made in USA/Mexico. Pearl white. Eco Categories: Biodegradable, agriculturally based, less toxic. Note: discontinued brand, limited stock available.