Material: It is made from stainless steel and features a black handle and top.
Function: This type of flask uses vacuum insulation technology to lock in temperature, preserving the flavor and freshness of beverages.
Temperature Retention: It is designed to keep liquids, such as tea, coffee, soup, or water, hot or cold for many hours.
Design: The flask has a durable, sturdy, and often leak-proof design, making it suitable for travel and everyday use.
Capacity: These flasks come in various capacities, commonly 1 liter or 1.8 liters.