Thermos 16 Ounce Vacuum Insulated Stainless Steel Food Container Thermos vacuum insulation technology locks in temperature to preserve flavor and freshness to keep food hot for 7 hours or cold for 9 Durable 18/8 stainless steel interior and exterior withstand the demands of everyday use Large mouth opening is easy to fill, eat from and clean Light and compact design for effortless transport and storage Container stays cool to the touch with hot liquids and is condensation-free with cold