Business Source Reinforced Hole Punched Indexes - 8 Write-on Tab(s) - 3 Hole Punched - White Divider - White Tab(s) - Recycled - Non-laminated, Mylar Reinforcement - 24 / Box - Indexes are three-hole punched with 9/32" holes to fit inside standard binders. Holes are reinforced with clear Mylar. Write on the nonlaminated side tabs or apply a label. Tabs are not reinforced.