Cello Skipper Stainless Steel 750 ML Vacusteel Water Flask | Hot and Cold | 1 PcThe insulated double walled Vacuum Bottle is designed for maximum temperature retention that Keeps your favorite hot drinks without altering their temperatures for a prolonged period of time. INSULATION TYPE: Cello Skipper water Flask features double walled vacuum insulation with an inner copper coating that retains the temperature, keeping beverages hot or cold for a prolonged period of time. ONE TOUCH LID: Pouring and drinking is hassle free and