When you buy Thermos, you know you get quality. The thermal rating is 24 hours for both hot and cold liquids and the lid doubles as a convenient cup. The internal cap is designed so that by unscrewing it half-way, the liquid inside can be poured. It's little things like this that have made Thermos THE name in the vacuum container industry. Features and Benefits: TherMax double wall vacuum insulation locks in temperature to preserve flavor and freshness. The unbreakable 18/8 stainless steel interior and exterior withstand the demands of everyday use. Built-in stainless steel cup lets you enjoy your beverage anywhere. Light and compact design for effortless transport and storage. Bottle stays cool to the touch with hot liquids and is always condensation-free.