Some jobs prepare you for just about anything, and teaching is one of those. Gift your unflappable teacher with this vibrant 11 oz ceramic mug announcing that, due to their job, they will not be shaken. This 11 oz. coffee mug is dishwasher safe and can be personalized with the grade or subject that they teach as well as the name of their school. A great gift idea for holidays, Teacher's Appreciation Day, or anytime you want to thank a teacher for all that they do!