Ever wonder how quickly your coffee will get cold? The Stefan-Boltzmann Law will help you find out.
Add a splash of color to your morning coffee or tea ritual! These ceramic mugs not only have a beautiful design on them, but also a colorful rim, handle, and inside, so the mug is bound to spice up your mug rack.
• Height: 3.85″ (9.8 cm)
• Diameter: 3.35″ (8.5 cm)
• White print area
• Color rim, inside, and handle
• Dishwasher and microwave safe