With these insertable style edge plastic dividers you get a fashionable look and easy referencing all in one. The dividers are made from durable, translucent plastic for long-lasting use, while the unique tab design keeps your inserts from falling out. Simply customize and print your inserts using the free templates and designs at avery.com/print. 3 hole punched for immediate use. Plenty of room to be written on with a ballpoint pen or pencil.