The Thermos brand is well known as the quality and performance leader in insulated food and beverage products. The Stainless King series creates a new chapter in Thermos" storied history with a modern line that blends out newest technology with a dash of the past. Why Thermos? An ideal choice for people on the go, the Stainless King Vacuum Insulated Beverage Bottle is built to last and loaded with features to make for a more enjoyable drinking experience. Thermos vacuum insulation technology virtually eliminates temperature change within the beverage container by creating an airless space between two stainless steel walls. The result is an insulation layer that performs better than any other. A superior insulated container you can depend on to keep your beverages hotter, colder, fresher, longer.This beverage bottle keeps beverages hot for 12 and cold for 24 hours, making it a great choice for wherever life"s adventures may take you. Features and Benefits Constructed with double wall stainless steel, this 16 ounce beverage bottle is virtually unbreakable, yet its sleek design is both eye-catching and functional. The specially designed twist and pour stopper lets you pour without having to remove the stopper completely. A simple twist is enough to allow liquids to flow out. This beverage bottle comes equipped with its own built-in, insulated stainless steel serving cup, so there is no need to pack an additional cup. Leak-Proof and Worry-Free Top of the line construction and rubber gaskets keep this bottle leak-proof and because of the double wall insulation, the stainless steel body stays cool to the touch with hot beverages and condensation-free with cold beverages. Recommended Tip for Maximum Beverage Enjoyment In order to maximize the incredible insulation technology, it is recommended to either pre-chill or pre-heat the beverage bottle just prior to use. This can be accomplished by filling the beverage bottle with cold or hot tap water, attaching the lid and letting it rest for a few minutes. Before you are ready to use, simply empty the water and fill with your favorite beverage. Attaching the lid will further increase the thermal efficiency. The Stainless King Vacuum Insulated Beverage Bottle is made of BPA-free materials. Highlights Insulated: Keeps hot for 12 hours or cold for 24 hours with Thermos vacuum insulation technologyDurable: Unbreakable stainless steel interior and exteriorHigh Quality Materials: 100% BPA-freeBonus Feature: Insulated, stainless steel serving cup included