This is unique casserole with antique lock system Unique shaped food container with locking device. Made of 100% Food Grade Virgin Plastic. Keeps food fresh and for longer period. The inner mirror finished liner parts are fabricated out of non magnetic stainless steel seat. Easy twist-n-lift grip and locking insert. Insulation makes it food friendly as well as energy friendly which helps in avoiding re-heating of food. Easy to clean and store. Freezer Safe. Great for keeping hot for hours green beans, corn, chilli, stewed baked or mashed potatoes, vegetables etc.. Great also for keeping cold for hours salads, ice cream, cottage cheese, fruit salads, puddings etc.. Excellent for use indoor and outdoor. Steel in the lid as well. Available in attractive printed gift box. Pre condition with a little hot water, before using for hot serving, similarly pre condition with cold water for cold servings. For better performance cover or wrap food in aluminium foil. Wash regularly with mild liquid soap. Do not try to remove inner steel container. Do not use rough scrubbers. Do not use it in microwave / oven / as stove.