This is a double walled, vaccum insulated stainless steel food flask.  Food will stay hot for up to 7 hours and cold for up to 9 hours.  It features a tight fitting twist tip lid with a silicone seal that ensures no leaks.  450 mlsAvailable in a variety of coloursBPA FreeMade to last a life timeMade from high grade stainless steel inside and outHand wash is recomendedWash in hot soapy water befor use.