Stay cool under pressure. When you work hard, you need hardworking gear. Meet the stainless king vacuum insulated beverage bottle. This non-nonsense workhorse gets the job done with durable stainless steel, double-wall vacuum insulation, and a simple twist and pour stopper. Thermos Stainless Steel King Product features include Easy open - an easy to use twist and pour stopper lets you pour your drink without removing the stopper. 100% Stainless Steel -durable from the serving cup to the base. And better temperature regulation too. Hotter, colder, longer - we just want to keep hot liquids hot and cold ones cold, and with Thermos patented vacuum insulation, you've got just that. 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.