Special coated tabs allow use of any pen, pencil or non-permanent marker. Erases clean and ready to use again. Instant index tabs no time consuming tab typing or insertion. White tabs for a clean, crisp, professional appearance. Use with 11" x 17" sheets. Index Divider Style: Customizable; Index Divider Size: 11 x 17; Punched/Unpunched: 3-Hole Punched; For Use With: Ring Binders.