500 ml. This Smart Thermos is the perfect travel tumbler for those who love to enjoy hot or cold beverages on the go. With a twist lid and spill-proof design, you can take this thermos anywhere without worrying about leaks. Plus, the LED temperature display lets you know when your drink is at the perfect temperature.

Made of durable aluminum and available in silver, gold, and green, this thermos is both stylish and functional. It's suitable for hot and cold beverages and insulated to keep your drink at the ideal temperature for hours. Whether you're heading to work or on a road trip, this Smart Thermos is a must-have accessory.