A total of 600 color index cards, 6 colors, 100 index cards per color, enough for your daily use. Smooth surface, not easy to tear, easy to write on, pencils, pens, ballpoint pens, highlighters, etc. can be used to write on the index cards, the ink will not bleed to the other side. The size of the color index card is about 85x125mm, small and portable, easy to store, and equipped with 6 rings, which can pass through the holes on the index card to keep the cards together, easy to carry, you can put it in your bag , pockets, drawers, etc. Tabbed index card, you can record at the position, different colors can distinguish different items, and the ring can that your index card will not be lost, making your things more organized. Index cards with lines on one side for easy note-taking, great for studying, making lists, or as a presentation aid, and more; Blank on one side for drawing on a blank page; Great for school, office, and home use. size: 85 x 125mm Material: Paper colour: As shown Package Contents: 600 x index cards(6 colors 100 sheets per color) 6 x Metal rings Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.