These 12/14 ounce plastic warm cups are cloudy white and are made from polylactic acid (PLA), which is made from agricultural crops such as corn and potatoes and is fully biodegradable and compostable. There are no animal or petrochemical ingredients in the cups. Reuseable. For use with cold or warm beverages. They have a higher temperature tolerance than the clear pla plastic cups - eg, approximately 150 degrees (great for rice, steamed veges). Pack of 50. Eco Categories: Biodegradable, agriculturally based, less toxic, animal friendly, reuseable. Discontinued item, sale limited to stock on hand.