Starbucks 2006 Halloween Blue Swirl Boo Ghost Coffee Espresso Cup Mug 12 oz This is a clean and lightly used pre owned Starbucks Halloween mug offered during the fall of 2006. The mug is offered in a baby blue in the Espresso shape of a large cup, and features an adorable blue Ghost or Goblin on the front. The interior has a unique blue swirly design and at the interior base of the mug is "Boo!" This mug is an excellent addition to your Starbucks collection and will hold your favorite 12 ounce "tall" beverage. The mug will be carefully packaged It is microwave and dishwasher safe Measures 3-3/8 inches high x 4-1/8 inch diameter