This officially licensed Harry Potter Locking Diary shows the dramatic moment that Harry and his friends first catch a glimpse of the Hogwarts castle. Their magical home for the next seven years! It is made even more fun with the included invisible ink pen. Write down all of your secrets and they can only be revealed by shining the special light! All your deep thoughts, drawings or secrets will be safe and sound in this lockable diary. Acid and lignin free to preserve your secrets for a very long time. Diary comes with a lock and two keys. Size: 6.25 h x 5.5 w x .69 d inches