Description These Exacompta index cards measure 4 x 6 inches and feature graph 205gsm pH neutral acid-free card stock in pastel colors. 100 index cards come per pack, including 25 cards each of green, blue, yellow and pink, printed on both sides. These index cards are great for notes, organizing, planning and as study aids. We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.