Ring Bound 3x5 Index Card Case Binder Index Card Binder, 3x5 Lined Index Cards with Ring Holder and Dividers, Mini Binder, Index Cards with Ring, Small Organized Folder for Recipes, Card Tumi Soft Brown Leather Credit Card Holder ID Wallet Organizer With Notepad MANO Wallet Credit Card ID Hard Case Holder Organizer Full Size (holds up to 20 Cards) Pink Silk Etsy My custom vertical 3x5" notebook. The rings open like a binder so that you can add or remove pages easily. It just uses standard index cards that I hole punched. : r notebooks PVC Credit Card Holder Protector Sleeve Waterproof Transparent Bank Card Organizer Cover 10 5 from Dhgate Storage Holders & Racks price 0.66