They will not fray or tear out of rings.
Extra-large insertable tabs are designed so the tab inserts won't fall out. Each colorful divider has a single pocket that holds up to 30 sheets.Extra-tough poly dividers with pockets outperform regular paper pockets for binders. Divider,Poly,5Tb,Singlepckt 4PK Three-hole punched edge easily fits into standard three-ring binders.