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A temperature vacuum flask bottle is a double-walled, insulated container designed to maintain the temperature of liquids, whether hot or cold, for extended periods. The inner and outer layers are separated by a vacuum, which prevents heat transfer, ensuring that drinks remain at their desired temperature. Typically made from stainless steel, these flasks are durable, leak-proof, and often come with a digital temperature display on the lid. They are ideal for carrying beverages like coffee, tea, or water during travel, outdoor activities, or daily use, providing both convenience and energy efficiency.