High quality Portfolio with flexible, durable cover and 20 integrated 9-pocket-pages for all standard and Japanese sized gaming cards. Optimized for double-sleeved Holds up to 360 double-sleeved cards Elastic closure band Keeps your FlexXfolio securely locked and holds the pages together. 20 acid free pocket-pages Made of extra clear and archival safe polypropylene. Completely free of PVC and acidic materials Side-loading pocket design Prevents your cards from falling out of your FlexXfolio when carrying it around.