... any bowl or container can be used for food storage. Lid creates an airtight, watertight seal for reheating and storing.It ... 428 degrees Fahrenheit. Perfect for reheating and storing leftovers.The Lid also saves money by eliminating the need for plastic wrap ... rims: stainless steel, glass, plastic, and melamine.Prevents Spills: The Lid creates an air & watertight seal.Perfect for reheating and storing ...