Great gift for the science fan in your life! This chemistry coffee mug provides a playful and informative way to enjoy your morning brew. Stop stressing about what to get for the teachers this year. Funny coffee mugs set just the right tone. This 15 ounce Coffee Molecule Coffee Mug will do the trick and is perfect for any gathering! Nothing shows that you care more, than a hot cup of coffee in a cool coffee mug. All of our coffee mugs are microwave safe making sure that they will survive for decades to come! With a little lesson on molecules and a sip of caffeine, teachers will be ready for anything.