Thermos is an insulated container designed to maintain the temperature of liquids or food, keeping them hot or cold for extended periods. It features a double-walled design with a vacuum between the walls, which reduces heat transfer by conduction and convection. Our high quality thermoses also include reflective copper plating  to minimize heat loss or gain through radiation. Made in high quality stainless steel,are widely used for beverages such as coffee, tea, or water, as well as for soups and meals. They are portable, reusable, and popular for outdoor activities, travel, and daily use.