Top Flight Index Cards, Unruled, 4 x 6 Inches, White, 100 Cards per Pack (4004037) 4 x 6 Inches 100 cards per set Unruled Great for keeping track of small pieces of information Use for school, home, and office It consists of 100 cards per set, 4x 6 Inches. Great for keeping track of small pieces of information, Unruled. It is used for school, home, and office.