Show off all of Grandpa's little stars on his very own Stars Customizable Coffee Mugs. He will enjoy his Personalized Mugs each and every day. Our Personalized Coffee Mug is Dishwasher safe & includes FREE Personalization! Personalize your Coffee Mug with any title and up to 12 names. Please specify girl or boy, i.e. Jordan(b). Mugs are available in different sizes ranging from 11 ounces to 20 ounces.