Mead Index Cards, Ruled, 3 x 5 Inch, White, 100 Per Pack (63350) 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.