Advantus Super Stacker Index Cards Box - External Dimensions: 6.3 Width x 4.3 Depth x 4.3 Height - Media Size Supported: Index Card 4 x 6 - 500 x Index Card (4 x 6) - Lid Lock Closure - Stackable - Plastic - Clear - For Index Card, Craft Supplies, Recipe, Office Supplies, School Supplies - 1 Each