It is science-fictionally proven that Unicorn flatulence contain the highest legal concentration of caffeine currently available. In fact, it is only available on the underground "glitter market". Drink a cup of it and WHOAH.. hold on to your rainbows. Our new, oversized Unicorn Farts Coffee Mug proudly displays your affinity for coffee.. it holds over 20 oz. of that magical wake-up juice.