Show your favorite teacher how much you appreciate them by giving them Customizable Coffee Mugs like this one! Every time she enjoys her morning cup of coffee, she'll remember one of her favorite classes. Our Personalized Mugs are dishwasher safe & include free personalization. Personalize your Mug choice with any title and up to 30 student names. Mugs are available in different sizes ranging from 11 ounces to 20 ounces.