Unruled Index CardsFor presentations and study aids, these are the perfect cards to have on hand. Precision engineering ensures uniform sizing. Commercial-quality card stock provides enhanced stiffness and durability. Ruling: Plain; Card Size: 4 x 6; Color(s): Canary. Global Product Type: Index Cards Ruling: Plain Card Size: 4 x 6 Color(s): Canary Card Quantity: 100 Quantity: 100 per pack Post-Consumer Recycled Content Percent: 10%