One writer tested four self-heating mugs (Ember, OHOM Kopi, Muggo, and Burnout) to see which ones actually work. They’re great for keeping your tea or coffee at a consistent temperature.

The KOPI Self-Warming Mug and lid. The lid is about 1/4-inch thick with another 1.4-inch lip on it and is quite solid and has a bit of weight to it. As far as ceramic porcelain mugs go ...

Running some errands out of the house? Going for a hike? Taking an evening walk? No matter what you’re doing on the go, a good cup of coffee or tea is the perfect companion. But, if you want ...

“The KOPI Mug is a smart, all-in-one self-warming mug + brew system. Made from super durable ceramic, KOPI’s base is inlayed with metallic particles that respond to an electric charge.

The best travel mugs include coffee mugs and straw tumblers from Zojirushi, Ember, YETI and more. Lukewarm coffee no more — keep your drinks fresh for hours with the best travel mugs.

While you can get a thermal mug or other options that can keep your coffee or tea warmer longer TWINZ studio thinks they have the solution: an all-in-one self-warming coffee mug brew system with ...

The Yeti Rambler Tumbler is durable, perfectly sized, and provides superior insulation. It can handle all environments, from your office to your car, pool chair, or camping tent. Made from kitchen ...

The Ember Tumbler will keep your drink hot for hours. But you’ll pay handsomely for those luxuriously warm beverages. The Ember Tumbler will keep your drink hot for hours. But you’ll pay ...

The best travel coffee mugs are designed to keep your drinks at the perfect temperature for hours. After extensive testing, here are my top 7 picks.

The best ceramic travel mugs have secure lids and range in capacity from 12 to 18 ounces. Choose from tumbler-style designs or ones with easy-to-grip handles.

Instead of relying on haphazard observations and product claims, the Outside Lab @ CU Denver set up an experiment to find out which travel mugs are the best at keeping beverages warm. In the lab ...