These sleek Thermally-induced Vacuum flasks come with a traditional screw-in stopper with pouring spout. They keep drinks hot for up to eight hours or cool for 24 hours. The stainless steel lid can be used as a cup.  **Make sure you preheat or pre-cool the flask before filling it & use pouring spout rather than opening the lid fully**Travel Tip: Choose from four sizes to cater for individuals or groups of friends. TiV high performance Thermally-induced Vacuum Keep drinks hot for up to 8 hours or cool for 24 hours Screw-in stopper with pouring spout Stainless steel lid can be used as a cup Copper coated for greater heat retention