The thermo mug is made of stainless steel.

Double walls with vacuum isolation allow to keep temperature of contents for a long time (more than 4 hours).
Rugged sealed housing design: 100% leak proof.
Easy to use: opens with one hand at the push of a button.
Wide mouth for easy cleaning and pouring.
Convenient for car use.
Made in bright colors, the thermal mug will delight you and last for many years.

Cannot be washed in a dishwasher.