9″ round plate. Plates are strong and durable. Leak and oil proof. Microwavable (warm up only). Refrigerator safe. ISO 9001 and ISO 14000 certified. The last phase and key benefit of using biodegradable products is that they are made to be fully compostable as opposed to being recycled. Our products are made to decompose in a commercial composting facility within 60-90 days. Suitable for home composting. Complies with ASTM D6868 and EN13432 reports for compostability.