The Lovely Story ceramic mug "My Fan Club Calls Me Prof!" 330ml TZ2620DB-PT is a loving and fun tribute designed for teachers in an executive dark blue tone. It has a 330ml capacity, is microwave-safe ceramic, and features a phrase dedicated to teaching printed in high definition. The dark blue color lends sobriety and elegance to the teacher's desk. An excellent thank-you gift for the end of the school year.