About this item TEMPERATURE RETENTION: Double wall stainless steel vacuum insulation ensures maximum temperature retention; Keeps your drink hot for up to 24 hours or cold up to 24 hours; seal in the taste and aroma. USER FRIENDLY: Removable lid makes it easy to fill and clean; Swivel base suit everyone's use from all sides, zinc alloy lever pump with Pearl Nickel Finish makes Airpot Durable and attractive, while providing easy dispensing. WATERPROOF: High sealing rubber ring and backflow preventer pneumatic tube; After pouring, there is no leakage of the spout. Due to the air pressure problem, a small amount of liquid will leak out when the boiler body is dumped. The specially designed ball valve makes the leakage of liquid much less than similar products.