Collection File Pikachu And Thunder Are Here! A 9-Pocket 4-Hole Card File That Supports Your Collection. Includes 10 9-Pocket Card Refills. Add the separately sold Pokemon Card Game Collection Refills to hold up to 20 refills. Holds 360 cards when using 20 refills. The fastener is made of plastic for improved safety. The 9-Pocket refills are compatible with 3-hole and 4-hole types. They have the following features: - Features a flap that makes cards easy to insert and prevents them from falling out when upside down. - Can hold cards that are in the separately sold Pokemon Card Game Deck Sleeves. - Each pocket can hold two cards. - Uses high-transparency sheets that make card artwork look beautiful.