These 12 ounce tall plastic cups are clear and are made from polylactic acid (PLA), which is made from agricultural crops such as corn and potatoes. They are fully biodegradable and compostable. There are no animal or petrochemical ingredients in the cups. Reuseable. For use with cold beverages. Pack of 50. Made in US/Asia. Tall/slim cup and squat style cup available. Eco Categories: Biodegradable, agriculturally based, less toxic, animal friendly, reuseable. Sale price available while quantities last.