Hot, comforting meals for up to 6 hours in 500 ml and up to 4 hours in 300 ml containers, regardless of the outside temperature. You don't have to stay near an oven or microwave: enjoy your favorite dishes while still hot, wherever you are. Keep your cold dishes fresh and crunchy for up to 6 hours in 500 ml and up to 4 hours in 300 ml containers. Perfect for sunny days in the park or at the beach. You don't need a separate cooler bag: just grab your thermos container and you're good to go. An airtight lid prevents accidental spills and soaked bags. The vacuum insulation keeps your thermos container free from condensation.