Half size index tab dividers measure 8.5" high x 5.5" wide for your hald size binders and books. The tab extension sticks out 1/2" for an overall sheet size of 8.5" high x 6" wide. Our mini tab dividers are made of a durable 90# white index and are three-hole punched for immediate use in your half size ring binders. These blank tab dividers can easily be written on or have a label applied for easy reference. Want something special? We can custom print half size tab dividers to meet your exact needs. Please contact us for more information.