Bodum Insulated Stainless-Steel Travel French Press Coffee and Tea Mug – Link 
This has currently dropped in price on Amazon, to its lowest ever, at just $17.53.
- Brew coffee or tea on the go and drink from same container when ready
- Made of vacuum-sealed, double-wall stainless steel and keeps beverages hot or cold for several hours
- Non-slip silicone grip is available in an array of bold colors
- Spill resistant lid with built-in plunger
- Dishwasher safe