The warmer did not keep my coffee or tea as warm as I think it should, regardless of the type of

I disliked the flimsy plastic and that it didn't get hot enough to keep hot tea warm.

It works well for my slow sipping work coffee/tea.

keeps my tea very warm

Warm coffee or tea all day!!

The heater works great, I tested it when I got it & it did keep my tea warm.

But it's better to drink hot tea than cold

It keeps my tea warm but not as warm as I would like it

n’t cool down and will stay very hot

The only time the coffee stays as warm as when you put the mug down is when there is less than an inch in the mug.