Card holder <SEIHON>

The spine is arched, allowing the book to be opened wide and making it easy to insert and remove cards, just like a Western book.
Each pocket is individually welded, allowing for a wide spread and smooth page turning.
Interchangeable spine labels for easy classification and organization.
This product uses recycled polypropylene for the cover and pockets.
Capacity is the number of cards placed two together in the pocket.