Esselte Pendaflex Corporation Products - Index Cards, Ruled, 3"x5", 100/PK, Blue/Green/Yellow/Orange/Red - Sold as 1 PK - Unique ruled index cards feature coordinated color bars on top with matching color rules. Colors of index cards are color-matched to Esselte Pendaflex Folders. Colors include blue, green, yellow, orange and red. Commercial-grade index cards. Ideal for presentations and study aids. Precision engineered for uniform size. Commercial-quality card stock.