Mead 3 x 5-Inch Index Cards, Ruled, 100 Count, White (63350) Pack Of 6 Pack of 6, 100 per pack = Total 600 Cards Index Cards by Mead 3 x 5 Inch, Ruled, 100 Count, White, 10 lines per card Ten, ruled lines per index card help guide your writing so the notes you create are perfectly aligned, no matter how much or how little you write on each card. The spaces between each line are also large enough so that you can write at normal size and easily read your notes with a quick glance. Index cards can help you stay organized and are great in a pinch. As a student, a good trick is to write out a list of the books you need for each class on the cards and tape them up on the inside of your locker door