Need a cup of cold brew on the go? I just witnessed Ecoldbrew's thermos topper grind coffee beans and whip up a batch of cold ...

The whole device screws onto a thermos like an ordinary lid. When unscrewed, you can see a straw-like contraption at the ...

Ecoldbrew features a thermos topper that screws onto any thermos like an ordinary lid to whip up a batch of cold brew coffee ...

The Ecoldbrew smart thermos lid grinds beans and brews fresh cold brew in minutes, earning Best Kitchen Tech honors at CES ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Trey French and Jordan McMahon A good vacuum bottle (something most people ...

The best thermoses are durable, easy to clean and, of course, keeps your drink warm (when you want it warm) and cold (when you want it cold) for hours on end. The thermos market has gotten trendy ...

Call it a thermos, travel mug, or insulated water bottle—there’s no substitute for these multipurpose containers when you want to keep your food and drinks extra fresh. They’re durable, less prone to ...

Follow Starbucks Via's tips on how to keep your drink warm. Oct. 20, 2011 — -- False, a styrofoam cup cannot capture heat as well as a thermos container. Many people carry around hot beverages ...