Stay cool under pressure. When you work hard, you need hardworking gear. The Thermos Stainless King Vacuum-Insulated Food Jar, 24 oz. (Matte Black) is a no nonsense workhorse to get the job done. It features unbreakable stainless steel, double-wall vacuum insulation and a simple twist and pour stopper. The Stainless King product features include easy open and an easy to use twist and pour stopper that lets you pour your drink without removing the stopper. Thermos keeps liquids hotter and colder longer. No burn, no sweat exterior cool technology keeps the Stainless King bottle cool to the touch with hot liquids and sweat-free with ice cold.