Case of 500. These 6" x 6" Square Heavy Molded Fiber Plates from PrimeWare are made from molded fiber. They are FDA approved for food contact and microwave and freezer safe for maximum convenience. Durable, these plates can be used with both hot and cold dishes and are made from renewable resources, making them a great eco-friendly option for your establishment. These plates are also ASTM D6400 compliant and meet ISO 9001 and ISO 14001 certifications.