Pre-punched for use with two-hole, top-punched classification folders. Use pen or pencil to customize the tabs quickly and conveniently. Laminated surface lets you write, erase and reuse. Big Tab® side tab style is 50% bigger than typical tabs for more writing space. Bottom narrow tabs do not extend beyond a standard cover. Single-side copper-reinforced holes provide extra tear resistance against metal prongs. Narrow Bottom Tab—Does not extend beyond file folder. Index Divider Style: Customizable; Index Divider Size: 11 x 8.5; Punched/Unpunched: 2-Hole Punched; For Use With: Classification Folders.