If you have the world's greatest teacher, don't be afraid to let them know. Personalized teacher gifts make excellent teacher appreciation gifts or birthday gifts for teachers. Let the world's best teacher know how much you appreciate them 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 "World's Best Teacher" Coffee Mug with any custom message of your choice. He or she will appreciate this thoughtful gift.