●20-count pack of thick, durable, wrinkle-resistant index cards. Premium-weight card stock: all wood-pulp paper, 450 gsm. ●Measures 3x5 inches, with 1/4 cut blank tabs( you can customize the tabs 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. ●18-months after-sales service, 100% money back. If you have any questions about our products, please feel free to contact with us, we will come back to you as soon as possible.