Optimal Stainless Steel Thermos Vacuum 16.2oz / 480ml

Optimal Stainless Steel Vacuum Flask is made from high-quality stainless steel, ensuring durability and longevity. Its sleek and modern design not only makes it visually appealing but also guarantees a comfortable grip, allowing you to carry it with ease wherever you go. One of the standout features of this flask is its vacuum insulation technology. This innovative technology creates an airtight seal, preventing any heat transfer between the inside and outside of the flask. As a result, your beverages will stay hot or cold for extended periods, ensuring that you can enjoy your favorite drinks at the perfect temperature throughout the day.