Fuel Gauge Color Changing Red Coffee Mug 10 Oz "Out Of Fuel Until Coffee" NIB

This heat-sensitive mug transforms your coffee experience with its fun "Out Of Fuel Until Coffee" design, revealing a fuel gauge as you pour hot liquid. Its 10 oz capacity and sturdy ceramic build ensure durability, while the vibrant red exterior and black interior add a stylish touch to your morning routine. • Heat-sensitive design reveals a fuel gauge when hot liquid is added • 10 oz capacity, ideal for coffee or tea • Durable ceramic material with a smooth finish • Vibrant red exterior with a black interior • Comfortable grip handle for ease of use