Circuit; is a new stylish and contemporary mens lunch range. These are the perfect gift for any busy executive who lunches on the go. The Circuit Flask holds 350ml of liquid and is perfect for everyday use. Cup has a handle. This gorgeous little 350ml vacuum flask will keep up to 4 cups of your favorite drink hot or cold for up to 4 hours. Pour through stopper helps keep contents hot. 350 ml capacity. Stainless steel. Keeps cold for 4hrs and keeps hot for 4hrs. Comes with 4 cups. Vacuum insulated.