Colorful poly pockets organize your binder with style and efficiency. Full size pocket with tuck-in flap holds additional materials. Write-on index tabs allow you to instantly categorize your binder. Works with pencil, ball point pen or permanent marker. For use with standard 3-ring binders. Acid-free poly protection. For 8 1/2 x 11 document storage. Side loading. 5 sheets per pack, bundle of 6 packs, 30 sheets total