Durable plastic allows for frequent reference. Multicolored dividers have stylishly shaped tabs. Customize tabs using a ballpoint pen or pencil. To reuse, just erase and write again. Use the Corner Lock™ with expandable pocket or slash pockets for storage. Mini Size 5 1/2" x 8 1/2"—Seven-hole punched for mini-sized binders and organizers. Index Divider Style: Customizable; Index Divider Size: 8.5 x 5.5; Punched/Unpunched: 3-Hole Punched; 7-Hole Punched; For Use With: Mini Ring Binders/Planners.