The New Prince of Tennis Changeable Tumbler I bought this a long time ago. I opened it to check because the box is plain. I haven't taken it out of the bag. *The paper with the character design is either placed under the white one or it's reversible. I vaguely remember because I bought two of the same item and used one of them. *You can change the pictures inside to use it. I've been storing it in a dark place.