Thermoses Are Insulated Containers Designed To Keep Beverages At The Desired Temperature For An Extended Period. Whether For Hot Drinks Like Coffee, Tea, Or Soup, Or Cold Beverages Like Water, Juice, Or Smoothies, Thermoses Are Perfect For Maintaining The Optimal Temperature, Ensuring That Drinks Stay Hot Or Cold For Hours. Typically Made From Stainless Steel Or Durable Plastic, Thermoses Are Built To Withstand Regular Use And Retain Heat Or Cold Through Vacuum Insulation Or Double-Walled Construction.