It's a collection file full of cute Metamon / Ditto!

Official Pokémon Trading Card Game Binder with 10 REFILLS + 10 additional BONUS REFILL for free (MSRP $19) That's a total value of $58!!

Pokémon Center Japan Limited

A 9-pocket, 4-ring card binder that supports your collection! 

・The fasteners are made of plastic for increased safety!

・Equipped with a flap function that makes it easy to insert cards and prevents them from falling off even when turned upside down!

・Uses a highly transparent sheet that makes the card illustrations look beautiful!

The binder cover and refills are all Ditto themed

Altogether it comes with 20 refill pages. Each page is 9 pocket double sided. So this binder can store a maximum of 360 cards.