Personalized Grandma Coffee Mug - Personalized Coffee Mug Grandma will be ready to take on the world after enjoying her morning coffee with this fabulous personalized grandma coffee mug. Your Personalized Coffee Mug is dishwasher safe & includes FREE Personalization! Personalize your Mug choice with any title and up to 12 names. Please specify boy or girl. Ceramic Coffee Mug holds 11 ounces.