The Volcano Hot Case is thoughtfully designed to keep the cooked food hot and retains its tastes for a longer period. Now cook at your convenience and serve your loved ones freshly cooked food throughout the day without making a trip to the kitchen. Keeps the freshness & flavor of the food. Hand Wash Recommended, BPA Free, Pre heat for better performance (Fill with one cup of boiled water and close the Hot case for 5 Minutes, drain, wipe and fill the food)Recommend to hand carry the Hot case from the bottom