Keep salads fresh or stir fry hot with this Charles Viancin lid. Made from flexible silicone, this lid forms an airtight seal on bowls, pots, and pans to preserve flavor. This lid can withstand temperatures ranging from 428 degrees Fahrenheit to -40 Fahrenheit, so it's safe for microwave and oven use. Even better, this BPA free lid is dishwasher safe, which makes clean up a breeze.