The old-school lunchbox is getting PackIt's cool twist! PackIt's Fully Freezable Lunch Box is the only lunchbox with built-in cooling that freezes overnight to keep food and drinks cool for hours. Simply store the entire lunchbox in the freezer overnight, then pack it with your favorite snacks and drinks. The patent-pending technology keeps food cool for hours, no ice packs needed! This lunchbox is perfect for school, work, or picnics. It features a durable fabric exterior, a non-toxic waterproof lining, and a secure zip closure. The collapsible design makes it easy to store when not in use. It is not intended for use by children 12 and under.