The THERMOS 470ml Stainless Steel Food Jar is a superior insulated container you can depend on to keep your food hotter, colder, fresher, longer.This food jar keeps items hot for 7 hours or cold for 9, making it a great choice for long days where mealtimes might be a little irregular.Constructed with double wall stainless steel, this 300ml food jar is extremely durable, yet its sleek design is both eye-catching and functional.The contoured body shape is easy to grip and the wide mouth opening is easy to fill, eat from and clean.The lid serves a dual purpose by also functioning as a serving bowl.The Stainless King Food Jar features premium, double wall vacuum insulation so the stainless steel body stays cool to the touch with hot items and condensation-free with cold items.Only the best materials are used to construct this food jar and are 100% BPA free.In order to maximise the incredible insulation technology, it is recommended to either pre-chill or pre-heat the food jar just prior to use.This can be accomplished by filling the food jar with cold or hot tap water, attaching the lid and letting it rest for a few minutes.Before you are ready to use, simply empty the water and fill with your favourite food item.Attaching the lid will further increase the thermal efficiency.