This is a unique bookmark style message card great for gifting a book to your family and friend! The set comes with 3 pieces, an envelope, message card and bookmark. You write a message on a card and slide it into the cuts of the bookmark and then put it in an envelope. You can slide it in the book as a message card which can also be used as a bookmark. Not only when to gift a book but also you can use it when returning a book to someone.* 8x16.8cm (3.14"x6.14")* Made in Japan* Have a good time!* The 2nd and 3rd pictures are example of the other card set from the same series.