The unique packit cool bag in black inspired by a single mum of 3 and her children in california us is the first cool bag that actually cools and is great for healthy kids school lunches picnics and outings thanks to its unique and patented freezable features the walls of the packit are lined with a safe freezable gel and you can fold up the entire bag and put it straight in the freezer it can then keep a meal and a 340ml drink chilled for up to 10 hours the next day so the excuse my lun