Sit back and relax with a nice hot drink in one of our printed 10oz mugs. This Harry Potter I Solemnly Swear Mug is perfect for fans of Harry Potter is printed using high resolution artwork on a ceramic mug. We use advanced printing techniques to ensure your mug lasts and will not fade they are 100% dishwasher safe and are perfect for adding a touch of personalisation when having a cuppa at home or work. Our range of Movies and TV mugs grows daily so why not take a look and see if we have the perfect mug for you.