The Royalford Airpot Vacuum Flask is a premium-quality, large-capacity thermal flask designed to keep beverages hot or cold for extended periods. Built with double-wall stainless steel insulation, this flask preserves the temperature of coffee, tea, or cold beverages for hours, making it an essential companion for offices, events, or home use. Its sleek, durable design prevents heat loss, condensation, and external temperature interference, keeping drinks at their optimal state. With a spill-proof lid and large 3.0L capacity, this flask is perfect for serving multiple people without frequent refilling.