These 7" Classic Round Biodegradable Plates are designed to meet the requirements of the food service industry and protect the environment. Made from sugarcane renewable resources, these 7" Classic Round Biodegradable Plates are fully compostable and biodegradable within 50-100 days in properly maintained compost facilities. They are superior in strength and performance, suitable for hot/cold food and beverages, microwave, refrigerator, and freezer safe, impermeable, and non toxic.