[High quality] Made of high quality paper, smooth surface, easy to write on, not easy to bleed, not easy to wrinkle, not easy to fade, can be used for a long time[Spiral bound] Spiral bound design, so the note card can be unfolded 180 degrees, convenient for turning pages and writing; With a transparent frosted plastic cover, waterproof and protect the cards[Easy to use] The index cards have a dotted line, just follow this dotted line and each card can be easily tear off and use it as sticky notes, small and portable, easy to carry[Size] 3 x 5 inches / 7.5 x 12.5cm, 5 different colors: white, pink, yellow, green and blue, 2pcs for each color, included 10pcs, 500 pages in total[Applicable] Great for studying, taking notes, marking lists, creating flash cards, recording recipes, and more. Also suitable for test prep, personal statements, presentations, reminder cards and more