Extra-tough poly dividers outperform regular paper pockets for binders. They will not fray or tear out of rings. Scratch-resistant, transfer-safe poly will not damage photos or transfer inks or toners. Three-hole punched edge easily fits into standard three-ring binders. Extra-large insertable tabs are designed so the tab inserts won't fall out. Set of dividers includes paper tab inserts & tabs in staggered positions for easy identification & access.