These ruled index cards are perfect for taking notes, memorizing information, and more. The multicolored design makes it easy to sort and organize your notes, while the included metal rings are easy to bind the cards together. With a construction and ruled lines, these flashcards are perfect for students, teachers, and anyone who needs to take notes. Features -Color:Assorted Color -Material:Paper, metal - Size: 12.80X7.60X0.10cm/5.03X2.99X0.04in -Multiple colors: These flashcards with different colors help you establish an -coded organization scheme, ensuring easy access to relevant information. -Convenient tool: Safeguard your valuable study materials with our flashcards' integrated binder rings, which securely holds cards in place. -Cover paper: The accompanying cover paper provides an additional layer of protection, shielding your index cards from tear, wear, and warping. -Ruled layout: The ruled paper enhances readability and structure your thoughts effectively. The clear lines guide your writing, promoting neatness and consistency. -Double-sided format: Our double-sided note cards offer ample room for recording extensive information, memorization cues, or detailed notes. Package list: 150 x flashcards( rings and cover paper included)