The Thermos Travel King. It is a double walled stainless tumbler. In use, it has kept my coffee and tea hot for hours, without ever warming up to the touch on the outside at all. It has a simple but effective silicone gasket system, which switches from free flowing to tightly sealed with the flip of a lever. It even has a neat little hook inside the lid to hang a tea bag without trailing the string out and ruining the seal.
These are not cheap, but they seem to be built to last. Worth every dollar.
Pros:
- Keeps hot stuff hot a long time
- Seals tightly
- Tea bag hook
- Disassembles for easy cleaning
Cons:
- Not cheap
- Made in China
- Some users report paint flaking off with use (but I would not care myself)
*I received no compensation for this review, I am just a happy customer.