Bests & Worsts Reviews from Amazon

This little thing is quality in its build, appealing to keep in sight all day, and most importantly it keeps your coffee LITERALLY as hot as when you made it. When the coffee gets low, it's often /hotter/ than when I made it. Before this product, I had no idea what a "gravity switch was. It just means that it activates when you set your mug on it and turns off when you remove the weight. Super convenient and works like a charm. I absolutely love this thing, and with a mug with a lid I've been able to go to meetings with hot coffee, return to my desk an hour later with warm coffee, and have hot coffee again in 5 minutes.