Oxford Index Card Guides with Blank Tabs are ideal for organizing, desktop referencing and managing follow-up files. These card guides feature versatile write-on tabs for creating your own label headings. The 15 lb. manila stock provides extra strength and durability. Card guides measure 3 x 5 inches and have 1/5 cut tabs for easy sorting of your notecards, recipe cards, study materials and more. Paper made from 10% recycled fiber with 10% post consumer fiber. 100 per pack.