If you think your teacher rules, then this is the perfect personalized gift for him or her. Let your favorite teacher know how much the rule with this personalized mug. Our custom ceramic mug features a teacher specific design and can hold up to 11 ounces. Personalize for free to make for a unique teacher appreciation gift. Personalize this "My Teacher Rules" Coffee Mug with any custom message of your choice. He or she will appreciate this thoughtful gift.