Description: Quality Material: The lined index cards are smooth and easy to write by pen or pencil, and long lasting, equipped with lines for easy and organized note taking.Super Value Pack :1000 pcs index cards in 10colors, sufficient quantity and various colors will meet your long term usage needs, and you can share these colorful cards with friends, classmates and co workers.Proper Size: The index cards measure approx proper size to easily carry and use, small and portable, can be conveniently put in the pockets, wallet, handbag, backpack, and so on.Practical to Use: These colored flash cards can be applied for note taking, making listing, memorize words, prompt messages in the report or presentation, etc., which will help you a lot in studying and working,helping you feel better and improve your learning efficiency and memory.Wide Range of Use: The flash cards for studying are suitable for students, teachers, employees, etc., fitting for home, school, office use, applying as good assistants for exam preparing, report, presentation, and more. Specification: Material: Paper Size Chart: Size: 7.4cmx5.1cm/2.91inchx2.01inch Package Includes: 1000 Pieces in 10 Colors 10 Binder Rings Note: Please allow slightly errors 1-2cm differences due to manual measurement.