Sailor Moon binder! Please use A5 size notebooks for the inside. The cover is thick and sturdy. The binder itself is about 22cm tall, 17cm wide, and 3.5cm thick. It's just so cute and beautiful! There are a few other patterns available, so please consider those as well! We also have Sailor Moon 3D art, accessories, aroma cards, etc., so please let us know if you're interested!