The serve fresh insulated roti server is designed to ensure freedom from roti sogginess the double walled puf insulation prevents loss of temperature and retains nutritive value of the food. And the dome shaped lid on the casseroles ensure that the condensed steam trickles down the sides and slides below the coaster, without dropping on the rotis / idlis / theplas, ensuring they stay retain the flavour and aroma and stay perfectly fresh.