Add your hot beverage and watch the fuel gauge climb!
Runnin’ on empty? Well, fill this mug with the hi-test beverage of your choice and watch the gauge climb all the way to the Full mark. It’s just awesome heat-sensitive printing!
Tank Up is crafted of high-quality porcelain and individually.
When you fill it with hot water, the black scale will change into the red very quickly, like filling up the automotive fuel tank.