Perfect for packing in a school lunch, the compact and lightweight 10oz FUNTAINER food jar from GENUINE THERMOS BRAND is a great choice for keeping foods and snacks at their optimal temperature. THERMOS vacuum insulation technology and durable double wall stainless steel construction will keep food hot for up to 5 hours or cold for up to 7 hours. The wide mouth design makes it easy to fill, eat from and clean. Spoon included.