➤ COLOR CODED. 100 sheets per pack with 5 different colors- blue, green, yellow, orange, and red. Size: 3"x5"inch- 7.6cm x 12.7cm ➤ STAY ORGANIZED. Index cards are great at helping you stay organized whether it's at home, school or the office! They will always be convenient to have on hand. ➤ QUALITY. Made out of 160 GSM Paper. Index cards are a great tool for studying and enhancing memorization! They're easy to write on using pens, markers, pencils. ➤ DESIGN. The precision-cut edges help ensure the cards are the exact same size. These color-coded index cards are ruled on the front and blank on the back, making it simple to divide subjects or topics by color. ➤ WIDE APPLICATION. Perfect for home, school, and office use. Ideal for creating to-do lists, studying cards, presentation cards, quick reminders, and much more!