These 9" bagasse plates are made of sugar cane fiber that is a by-product of the sugar refining process. The plates are white and are bleached with hydrogen peroxide. The plates do not have any coating, so that they are biodegradable and compostable. They can be used for hot or cold foods, and are thick and sturdy, microwaveable, freezer safe, oil resistant and capable of handling boiling water. Case of 500 (10 packs of 50). Made in China. Eco Categories: Recycled, biodegradable, less toxic.