The Smart Stainless Steel Tumbler is expertly designed for superior thermal insulation, keeping beverages hot or cold for 12 to 24 hours. Crafted from high-quality stainless steel with a durable glass liner, it ensures purity of taste and long-lasting performance. This eco-friendly vacuum flask features a large capacity and a convenient temperature display, allowing you to monitor your drink’s temperature at a glance. Its belly cup shape offers a comfortable grip, making it ideal for daily use, travel, or outdoor activities. Combining functionality with sustainability, this tumbler is a reliable choice for maintaining your drink’s optimal temperature throughout the day.
