Write directly on coated tabs with nonpermanent ink and erase with standard eraser to reuse again and again. Holes for binder rings are reinforced with clear plastic to prevent tearing. Three-hole punched for use in standard ring binders. Index Divider Style: Customizable; Index Divider Size: 11 x 8.5; Punched/Unpunched: 3-Hole Punched; For Use With: Ring Binders.