Originally Posted by
Archwhorides
The Stanley thermal push button mug will fit a standard cage and keep liquids hot for hours. One hand operation with a perfect seal make this a great vessel to bring on board.
I was going to comment the same thing. I have three of these along with their big vacuum bottles and a camp mug.
These work great, and they really are leak proof. I've had this fall on the floor of my car and sit there for 10 minutes because I couldn't reach it, and not a drop will spill.