Hi. Thank you for your interest in our Chef Boyardee Microwave Ravioli products. As awareness, all of our cooking directions have been thoroughly tested by our culinary specialists.<br />After removing the metal lid, there is a small metal ring around the container that is safe for microwave use if the consumer follows the heating instructions listed on the package and covers the ring with the plastic lid while heating.<br />Heating directions: Remove metal lid under plastic cover; replace plastic cover. Microwave on high 45 seconds or until hot. Let stand 1 minute in microwave. Remove from microwave by holding container by sides. Do not lift by plastic cover. Stir before serving. Handle carefully, it&#39;s hot!<br />Caution: contents are hot after microwaving. Remove carefully-do not lift by plastic cover.<br />We hope you enjoy our product. Thanks again for taking the time to reach out to us. Have a wonderful day.