From being your worthy opponent in TV remote snatching to being the doting sibling- your sister has always been the world's best sister to you. It's time you spell it out for her with a coffee mug especially made for her (It’s an added bonus if she is a DC fan). | The package also includes an adorable mirror card to make your sibling smile | The mug is made of ceramic and is microwave safe | It is neatly and safely packaged in a gift box to prevent any damage during shipping | Created by best of our designers and illustrators, this special mug has the capacity of 330 ml.