Trekmates Half Litre Stainless Steel Flask.
The ½ litre Flask from Trekmates - a stainless steel vacuum insulated flask you can depend on to keep drinks hotter, colder and fresher for longer. The stylish and practical stainless steel design provides highly effective insulation.
The flask boasts an insulation leak proof stopper and an integrated cup. Keeps hot for up to 8 hours and cold for up to 24 hours.