Oxford® Index Cards are ruled on one side for easy note taking. The 3" x 5" size is versatile enough for studying, presenting, and list-making. The handy spiral design keeps all your notes self-contained for easy reference. Each card has a perforated edge for easy removal of cards. There are 50 index cards per book, cover color may vary. Features clear view front sleeve for personalization or schedules! Includes two adjustable section tabs which can be labeled for instant referencing - simply snap in and out. Made of sturdy white card stock and ruled on one side. Assorted colors: Blue, Smoke, Green, Magenta. Please allow us to select your color for you. Each spiral bound pack includes 50 cards. Sold as 6 packs for a total of 300 cards.