24-count pack of thick, durable, wrinkle-resistant index cards. Premium-weight card stock: coated paper, 400 gsm. Measures 5x8 inches, with 1/4 cut pre-printed A-Z tabs( you can organize your index cards for easy viewing and retrieval). Assorted colors of the index card dividers make your working space brighter and easy for color coding projects. Featuring horizontal lines on one side, the tabbed index cards will offer a good writing guidance for you.