Fangrui Product Details The Packaging Includes 3 Index Card Binders And 20 Index Card Dividers, Each With 60 Index Cards. The Index Card Binders Come In Three Colors (green, Yellow, Blue). You Can Use Different Colored To Record Different Content. Our Index Card Casing Is Thickened And Less Prone To Breakage, Making It Reusable. After Using The Included Paper, You Can Purchase An Appropriate Index Card To Punch Holes And Continue Using It. In Addition, The Shell Also Has Buttons. The Buckle Design Can Protect Your Binder From Being Opened Casually. [size And Portable] The 3x5 Inch Index Card Organizer Is Easy To Carry. You Can Put It In A Bag Or Pocket And Carry It With You, So You Can Write And View It Anytime. [ Design] The Index Card Holder With A Dividing Line Has Also Added A Page Pocket Design, Which Can Be Seen On The First Page After Opening The Index Card Holder. You Can Place Files To Record Urgent/important Matters As Reminders. For Your Convenience, You Can Open The Ring. [easy To Classify] There Are A Total Of 20 I