A 保溫瓶 (thermal bottle) is an essential item for anyone who wants to keep their beverages hot or cold for extended periods. Whether you're a student, office worker, traveler, or outdoor enthusiast, a good thermal bottle can be a game-changer in your daily routine. How Does a 保溫瓶 Work? Thermal bottles use vacuum insulation technology to maintain the temperature of liquids. The... https://www.tigerhkeshop.com/pages/thermal-vacuum-insulated-bottles