Assorted colors: pack of 300 index cards includes 4 different colors (75 of each color) Ruled: evenly spaced lines run horizontally across one side for easier note taking; blank on the reverse Precision cut: cleanly cut for consistency, the cards stack together nicely Dimensions: each index card measures 4 by 6 inches Versatile: ideal for color-coding projects, creating flash cards, studying, making lists, and more